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(Sandwalk)   Today we're going to do a cool experiment to teach you kids about genetics. OK Timmy, your blood type is A+, and your parents are...both O+...hmmmm...awkward   (sandwalk.blogspot.ca) divider line 102
    More: Amusing, genetics, mendelian, ABO blood type, alleles, genetic recombination, gametes, biochemists, jaundice  
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7587 clicks; posted to Geek » on 22 May 2013 at 9:16 AM (1 year ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-05-22 09:17:17 AM  
www.uber-facts.com
 
2013-05-22 09:19:43 AM  

SmackLT: [www.uber-facts.com image 300x450]


Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.
 
2013-05-22 09:20:44 AM  

meanmutton: SmackLT: [www.uber-facts.com image 300x450]

Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.


You must be fun at parties.
 
2013-05-22 09:21:36 AM  
FTA: Dear Professor Moran

i3.kym-cdn.com
/obligatory
 
2013-05-22 09:22:14 AM  
My wife and I are both O-neg, so that limits her to about 23% of the population if she is stepping out on me (with a man). Thankfully both of our kids are O-negative.
 
2013-05-22 09:23:52 AM  
Dear Professor Moran,

What is that ugly white slab in my can of beans?
 
2013-05-22 09:24:55 AM  

meanmutton: SmackLT: [www.uber-facts.com image 300x450]

Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.


Citation please? That would be really interesting to read about.

Should the baby have straight blonde hair like that if it's just pigmentation that will come in later?
 
2013-05-22 09:26:27 AM  

meanmutton: SmackLT: [www.uber-facts.com image 300x450]

Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.


But when does the wang size come in?
 
2013-05-22 09:29:17 AM  
I think they've had it under control for the past 15 years or so in good hospitals, but I bet back in the day there were more "switched at birth" occurrences than anyone would want to admit.
 
2013-05-22 09:29:18 AM  

meanmutton: SmackLT: [www.uber-facts.com image 300x450]

Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.


And some white kids are born black due to blood supply issues in the womb. I know my cousin was born really dark. Everything got pretty quiet the first few minutes of his life till he started to clear up.
 
2013-05-22 09:32:54 AM  
Nine months ago, your wife had sex with a black man.


/ my name is max
 
2013-05-22 09:34:50 AM  
"The milkman just fell over dead!"
 
2013-05-22 09:37:23 AM  
I would imagine if there were large scale genetic testing for some reason (say they finally found a marker for cancer that was 100% accurate, and everyone got tested and got a full genetic profile)

They would find a ton of kids whose daddy is not who mommy is married to... Everytime there is small sampling they find this...

Society says men are the dogs and we cheat by nature...but women get a pass...

/got 3 kids I love, I don't want to know.
 
2013-05-22 09:43:32 AM  

jonny_q: meanmutton: SmackLT: [www.uber-facts.com image 300x450]

Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.

Citation please? That would be really interesting to read about.

Should the baby have straight blonde hair like that if it's just pigmentation that will come in later?


Baby hair is typically wavy, rarely very curly or very straight.  But that baby appears to have albinism, not just being pale.
 
2013-05-22 09:44:38 AM  
see the definition of unintended consequences...
 
2013-05-22 09:50:49 AM  
If you can think of a better way to pick which moms to call in for "parent-teacher conferences", I'd like to hear it.
 
2013-05-22 09:54:08 AM  

spicorama: I would imagine if there were large scale genetic testing for some reason (say they finally found a marker for cancer that was 100% accurate, and everyone got tested and got a full genetic profile)

They would find a ton of kids whose daddy is not who mommy is married to... Everytime there is small sampling they find this...

Society says men are the dogs and we cheat by nature...but women get a pass...

/got 3 kids I love, I don't want to know.


Results would be more like a list of risk percentages for certain diseases. I don't think there would be a "baby daddy" category.
 
2013-05-22 09:56:06 AM  
My husband and I are both A+

I have a son who is A+

I have a daughter who is O+

I am POSITIVE that she is the biological child of the A+ man and I am POSITIVE that she was not 'switched at birth."

Yes - when she was in H.S. I had to explain to her that some parents/teachers make sweeping (and ignorant) generalizations when it comes to science.
 
2013-05-22 09:58:23 AM  

meanmutton: Not sure how that's relevant. Black babies frequently are born without pigmentation, which comes in over the first week or so.


And in the United States there's been enough admixture of phenotypes that sometimes odd recessives pop up from time to time.
 
2013-05-22 09:59:52 AM  

spicorama: Society says men are the dogs and we cheat by nature...but women get a pass...


Well the women are forced to deal with raising the kids, the cheating man can end up not having to take care of his kids. So ultimately yes, both may cheat, the guys who don't step up and take responsibility for it though are bastards (of course yes the women could give up or abort the baby so she has outs too)
 
2013-05-22 10:00:09 AM  

spicorama: They would find a ton of kids whose daddy is not who mommy is married to... Everytime there is small sampling they find this...


I believe one of the numbers thrown around is around 30%, maybe higher or lower depending on the society. It's always good to shop around for genes, especially if you've already got someone to help raise the kid.
 
2013-05-22 10:04:42 AM  

Frau Schadenfreude: My husband and I are both A+

I have a son who is A+

I have a daughter who is O+

I am POSITIVE that she is the biological child of the A+ man and I am POSITIVE that she was not 'switched at birth."

Yes - when she was in H.S. I had to explain to her that some parents/teachers make sweeping (and ignorant) generalizations when it comes to science.


Eh - A is dominant over O so there is no problem at all in two A parents having an O child. Who's ignorant about science?
 
2013-05-22 10:05:15 AM  

Frau Schadenfreude: My husband and I are both A+

I have a son who is A+

I have a daughter who is O+

I am POSITIVE that she is the biological child of the A+ man and I am POSITIVE that she was not 'switched at birth."

Yes - when she was in H.S. I had to explain to her that some parents/teachers make sweeping (and ignorant) generalizations when it comes to science.


For the A bloodtype phenotype, one can be genetically AA or AO. Two AO parents will have a 25% chance of an OO genotype, O phenotype child. That's one's easy to explain. It gets a little dicier when As or Bs show up in kids with O-only parents...
 
2013-05-22 10:05:37 AM  

Yes please: jonny_q: meanmutton: SmackLT: [www.uber-facts.com image 300x450]

Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.

Citation please? That would be really interesting to read about.

Should the baby have straight blonde hair like that if it's just pigmentation that will come in later?

Baby hair is typically wavy, rarely very curly or very straight.  But that baby appears to have albinism, not just being pale.


So probably not a good idea for them to go on holiday to Tanzania I guess.
 
2013-05-22 10:06:32 AM  

Quantum Apostrophe: meanmutton: SmackLT: [www.uber-facts.com image 300x450]

Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.

But when does the wang size come in?


Based upon the pink colour in the clothing on the baby in the image, I hope never.
 
2013-05-22 10:09:55 AM  
If high school teachers aren't knowledgeable enough to handle these situations then they should avoid these "experiments."

These "anomalies" are quite frequent and they have simple explanations once you know the real genotype.


Professor Moran is a moran. It wasn't an experiment, the student volunteered information.  And his definition of "quite frequent" must be pretty loose.  There's not a good way to even estimate how frequently it happens, but it's probably less frequent than a shark attack.  It's almost certainly orders of magnitude less frequent than Down syndrome.  It's theoretically possible, but if they really want to know they should consider genetic testing.
 
2013-05-22 10:10:23 AM  

Quantum Apostrophe: meanmutton: SmackLT: [www.uber-facts.com image 300x450]

Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.

But when does the wang size come in?


Prison.
 
2013-05-22 10:15:58 AM  

wallywam1: spicorama: I would imagine if there were large scale genetic testing for some reason (say they finally found a marker for cancer that was 100% accurate, and everyone got tested and got a full genetic profile)

They would find a ton of kids whose daddy is not who mommy is married to... Everytime there is small sampling they find this...

Society says men are the dogs and we cheat by nature...but women get a pass...

/got 3 kids I love, I don't want to know.

Results would be more like a list of risk percentages for certain diseases. I don't think there would be a "baby daddy" category.


Once everyone has their very own, comprehensive genetic profile, it would be a simple matter for a brainy 17 year old to make an iphone/facebook app...

Could be called "you are not the father"
 
2013-05-22 10:16:21 AM  

stevesporn2000: Frau Schadenfreude: My husband and I are both A+

I have a son who is A+

I have a daughter who is O+

I am POSITIVE that she is the biological child of the A+ man and I am POSITIVE that she was not 'switched at birth."

Yes - when she was in H.S. I had to explain to her that some parents/teachers make sweeping (and ignorant) generalizations when it comes to science.

Eh - A is dominant over O so there is no problem at all in two A parents having an O child. Who's ignorant about science?


The parent of a friend of hers was convinced that there was a mix-up at the hospital or that I had an affair. This was part of a larger conversation that started because the my two children have brown eyes - mine are blue and my husbands are hazel. For the record, my mother-in-law had brown eyes.

Again - I am POSITIVE that my two brown-eyed children are biologically related to the hazel-eyed man.
 
2013-05-22 10:16:25 AM  
Don't know my kid's blood type, but she could be literally any blood type. Her dad's A+, I'm B+.
 
2013-05-22 10:19:18 AM  

Frau Schadenfreude: stevesporn2000: Frau Schadenfreude: My husband and I are both A+

I have a son who is A+

I have a daughter who is O+

I am POSITIVE that she is the biological child of the A+ man and I am POSITIVE that she was not 'switched at birth."

Yes - when she was in H.S. I had to explain to her that some parents/teachers make sweeping (and ignorant) generalizations when it comes to science.

Eh - A is dominant over O so there is no problem at all in two A parents having an O child. Who's ignorant about science?

The parent of a friend of hers was convinced that there was a mix-up at the hospital or that I had an affair. This was part of a larger conversation that started because the my two children have brown eyes - mine are blue and my husbands are hazel. For the record, my mother-in-law had brown eyes.

Again - I am POSITIVE that my two brown-eyed children are biologically related to the hazel-eyed man.


you are protesting too much...
 
2013-05-22 10:21:28 AM  

Spartapuss: Dear Professor Moran,

What is that ugly white slab in my can of beans?


That's the Queen Bean.
 
2013-05-22 10:22:28 AM  

spicorama: wallywam1: spicorama: I would imagine if there were large scale genetic testing for some reason (say they finally found a marker for cancer that was 100% accurate, and everyone got tested and got a full genetic profile)

They would find a ton of kids whose daddy is not who mommy is married to... Everytime there is small sampling they find this...

Society says men are the dogs and we cheat by nature...but women get a pass...

/got 3 kids I love, I don't want to know.

Results would be more like a list of risk percentages for certain diseases. I don't think there would be a "baby daddy" category.

Once everyone has their very own, comprehensive genetic profile, it would be a simple matter for a brainy 17 year old to make an iphone/facebook app...

Could be called "you are not the father"




i0.kym-cdn.com

media.tumblr.com

whatgifs.com
 
2013-05-22 10:23:00 AM  

Earguy: I think they've had it under control for the past 15 years or so in good hospitals, but I bet back in the day there were more "switched at birth" occurrences than anyone would want to admit.


So your sayin that it wasnt until 1998 that hospitals figured out how to keep babies straight? really? and generally only in the "good" hospitals? So before that there what? wasnt an app for that?
 
2013-05-22 10:24:36 AM  

Frau Schadenfreude: stevesporn2000: Frau Schadenfreude: My husband and I are both A+

I have a son who is A+

I have a daughter who is O+

I am POSITIVE that she is the biological child of the A+ man and I am POSITIVE that she was not 'switched at birth."

Yes - when she was in H.S. I had to explain to her that some parents/teachers make sweeping (and ignorant) generalizations when it comes to science.

Eh - A is dominant over O so there is no problem at all in two A parents having an O child. Who's ignorant about science?

The parent of a friend of hers was convinced that there was a mix-up at the hospital or that I had an affair. This was part of a larger conversation that started because the my two children have brown eyes - mine are blue and my husbands are hazel. For the record, my mother-in-law had brown eyes.

Again - I am POSITIVE that my two brown-eyed children are biologically related to the hazel-eyed man.


"Related"?  What color eyes does your husband's brother have?

Relax.  There are several different genes that determine eye color.
 
2013-05-22 10:39:00 AM  

TabASlotB: For the A bloodtype phenotype, one can be genetically AA or AO. Two AO parents will have a 25% chance of an OO genotype, O phenotype child. That's one's easy to explain. It gets a little dicier when As or Bs show up in kids with O-only parents...


I'm A+ and my wife is A- and we both have close relatives who are O.  When my son was born the nurse told me he was O+ so without blinking an eye I asked the nurse how that could be.  Guess I had a better background in genetics than her.
 
2013-05-22 10:45:18 AM  

Frau Schadenfreude: My husband and I are both A+

I have a son who is A+

I have a daughter who is O+

I am POSITIVE that she is the biological child of the A+ man and I am POSITIVE that she was not 'switched at birth."

Yes - when she was in H.S. I had to explain to her that some parents/teachers make sweeping (and ignorant) generalizations when it comes to science.



Blood type is determined by two antigens: Blood type A means either AA or AO ( the O meaning lack of an antigen).  So you are AO, your husband is BO, and you both gave the O allele to your daughter, making her OO, while your son got AO.  Nothing screwy there, it's normal.
 
2013-05-22 10:45:21 AM  

Dimensio: Quantum Apostrophe: meanmutton: SmackLT: [www.uber-facts.com image 300x450]

Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.

But when does the wang size come in?

Based upon the pink colour in the clothing on the baby in the image, I hope never.


Hey, this might be in Brazil.
 
2013-05-22 10:46:02 AM  
I remember my grandmother telling me the story of a friend of hers (back around the late 1920's), who was white, had a baby that arrived with all the obvious features and coloring of a half black parentage.  Considering the absolute social stigma (hell, people were being lynched for that sort of thing in that era) that was going to attach to the birth - the doctor made up a story of how the woman, had received a blood transfusion previously and that the genetic markers in the blood (which apparently was from a "negro") had caused her to have a half black baby.

My grandmother became absolutely convinced that if you (a woman) received a blood transfusion from a black or asian person that it was entirely likely that you could end up having a baby that would be part black or asian.

She was in her 80's when I was in high school and explained to her that it was impossible for that to have happened and almost certainly the doctor had made up the story to help her friend out of  a jam.   She thought about it for a while and said:  "I always thought he was just more than a family friend."

BTW, I'm guessing a good 10%+ of the people who are thought by family members to be the actual "fathers" of children are not in fact their biological parent.  I've come across way too many instances of this in my life, often with people not finding out this information until after the death of a parent.  I had a friend who after the death of his mother, about 10 yrs back found out he was actually a half brother to 3 of his cousins and only half brother to 2 of his siblings.  (His mom had been having a long term affair with her sister's husband, who had fathered 3 of her 5 children.)
 
2013-05-22 10:46:59 AM  
For those of you with O- blood - is it true that when you turn 16, the Red Cross tracks you down and ties you to a donation chair?  That's what they told my daughter.
 
2013-05-22 10:52:34 AM  

SavageWombat: For those of you with O- blood - is it true that when you turn 16, the Red Cross tracks you down and ties you to a donation chair? That's what they told my daughter.


That's true. I'm O+ and have to travel under an alias and never sleep in the same bed twice in a row.

I do know an O- and she gets called (and donates) every 6 weeks, bless her heart.  I can't donate because I use meds that can have serious implications for reproductive women if they are exposed to my blood.
 
2013-05-22 10:52:46 AM  

meanmutton: SmackLT: [www.uber-facts.com image 300x450]

Not sure how that's relevant.  Black babies frequently are born without pigmentation, which comes in over the first week or so.


The expression on the mom's face tells a different story.
 
2013-05-22 10:53:00 AM  
quicklol.com
 
2013-05-22 10:56:25 AM  

spicorama: I would imagine if there were large scale genetic testing for some reason (say they finally found a marker for cancer that was 100% accurate, and everyone got tested and got a full genetic profile)

They would find a ton of kids whose daddy is not who mommy is married to... Everytime there is small sampling they find this...

Society says men are the dogs and we cheat by nature...


Unless there is a huge number of gay population to cheat with (which it is not), this is not mathematically possible.
 
2013-05-22 10:59:04 AM  

SavageWombat: For those of you with O- blood - is it true that when you turn 16, the Red Cross tracks you down and ties you to a donation chair?  That's what they told my daughter.


Also, they explain how if you don't go along with it, it's because you hate minorities.
 
2013-05-22 11:00:34 AM  
On an unrelated subject, having a block vein in my arm got me out of donating blood the one and only time I tried it.  Nurses get weird looks on their faces when they can SEE the needle moving around inside what appears to be a large vein with not even a speck of blood coming out.
 
2013-05-22 11:02:15 AM  

SavageWombat: For those of you with O- blood - is it true that when you turn 16, the Red Cross tracks you down and ties you to a donation chair?  That's what they told my daughter.


On the contrary, I am O-, yet Red Cross refused my donation because I had Hep A as a kid. Yet, they could do a simple test and see if it was OK for me to donate or not. Instead they just didn't wanted to deal with it.
 
2013-05-22 11:05:18 AM  

Frau Schadenfreude: My husband and I are both A+

I have a son who is A+

I have a daughter who is O+

I am POSITIVE that she is the biological child of the A+ man and I am POSITIVE that she was not 'switched at birth."

Yes - when she was in H.S. I had to explain to her that some parents/teachers make sweeping (and ignorant) generalizations when it comes to science.


Any teacher that makes an issue over that shouldn't be teaching biology.

AO+ & AO+ produces A+ parents and could produce either A+ (75%) or O+ (25%) children.

LikeALeafOnTheWind: So your sayin that it wasnt until 1998 that hospitals figured out how to keep babies straight? really? and generally only in the "good" hospitals? So before that there what? wasnt an app for that?


I think it's more that they realized technology could expose the errors and thus they had to spend the money to ensure there were no errors.
 
2013-05-22 11:06:48 AM  
One of my kids had an elementary school teacher who explained to my daughter that she was white, because my white genes were dominate over my wife's Asian genes (never mind the epicanthic fold that probably didn't come from my Irish/Italian ancestry).  She retired early after I had some talks with the state department of education about the quality of her teaching.

/the woman's 'theory' was passed upon the fact that my daughter had reddish hair like me
//despite the fact that the rest of her face looks Asian
//although I've never had a doctor give a straight answer on how my daughter picked up two M1CR genes for redhair, given the extremely low odds at my Vietnamese wife was a carrier of one
/we just blame Dow Chemical and their test reactors
 
2013-05-22 11:08:30 AM  

lawboy87: BTW, I'm guessing a good 10%+ of the people who are thought by family members to be the actual "fathers" of children are not in fact their biological parent.


I ran across a number on an infotainment site (probably Freakonomics) where research on a medium sized data set revealed roughly 10% of kids had blood types that couldn't have come from their fathers. Considering that it's not that hard to be compatible even if unrelated that would put the percentage of "accidentally misidentified" fathers at significantly more than 10%.

So, while meaning absolutely nothing at least one data set certainly does back up your idea.

/Data is not the plural of anecdote.
 
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