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Say you have 2 sets of siblings that come from 2 different bloodlines: 2 brothers for the 1st set(have bloodline A) and 2 sisters for the second set(have bloodline B). In the first set the brothers' names are Max and Kent , in the second set the sisters' names are Sue and Maggie. Each set are full brothers and sisters and have the same bloodlines for each family(family A and family B).
Max marries Maggie and Sue marries Kent. They each have kids.
Because the kids don't have any differentces in there blood mixing(A+B) and have the same family on each side--unlike the usual set of cousins, which would normaly share one side but not the other--does that mean that they are very close to siblings? would it be closer to siblings if both sets of parrents were identical twins?

2007-05-08 15:16:17 · 4 answers · asked by Peter L 1 in Arts & Humanities Genealogy

4 answers

Genetically, yes they would have more in common than your average cousins. I don't really know that is the answer you are looking for or not, the similarities they would share because of genetics would be that closer to those of siblings than average cousins. Hope that answers your question.

2007-05-08 16:07:48 · answer #1 · answered by datali2002 2 · 0 0

this happened in my family. My mom and her sister married brothers from another family. My sister, my cousins and myself all look very much alike. Bot have all gotten different health issues from both sides of the family. On my grandmother's side there is a blood disorder that so far only 1 of my cousins has. I am the only diabetic of the 4 of us. My other cousin is the only drunk. And my sister seems to have gotten a iron deficiency problem from both sides of the family. The blood types are all different to my knowledge.

Genetically the 4 of us are closer than your average cousins, simply because there are only 2 gene pools instead of 4. I think it would be closer if both sets of parents were identical twins, because essentially you would have the possibility of 4 slightly different people if they were just sisters marrying brothers. You still get different genes and different blood types coming through. If you have 2 sets of identicals you could basically look at them as 1 person per set since identicals are exactly the same so there would only be the chance of having 2 sets of genes mixing.

That made more sence in my head, but I hope you understand what I am trying to say.

2007-05-09 00:44:06 · answer #2 · answered by Anonymous · 0 0

This happened in my family. My grandma's brothers, married grandpa's sisters.
We call them "double cousins". And like one of the other respondents to the question, there are various health problems in our genetic pools.
I heard that if the brother/sister pairs that intermarried were identical twins, their offspring would not just be cousins. They would genetically be brothers and sisters.
I guess that maybe my Dad and his double cousins are similar to half brothers and sisters, genetically.

2007-05-12 19:56:51 · answer #3 · answered by nowyouknow 7 · 0 0

Guess they could say I'm my own grandpa

2007-05-09 12:28:40 · answer #4 · answered by Anonymous · 0 0

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