Brent Gilbert wrote:
>> In <4rccbo$1hp at news2.ios.com> knanette at village.ios.com (Nanette Knaster) writes:
>> >If identical twins marry identical twins, are the offspring of each
> >marriage (cousins) considered to be siblings genetically since both sets
> >of offspring share the same gene pools. Can someone explain this? It was
> >a discussion that came up today at the old watercooler, and I'd be much
> >obliged for a scientific explanation. Thank you. Please respond via e-mail.
>> Not likely. Remember, almost every cell in the human body, save Erythrocytes
> and sperm/egg cells, have two sets of chromosomes. So, let's say one set of
> twins has the genotype Bb for eye color ( that is, brown eyes, but a carrier
> of the blue eyes trait) and the other twin have the same, the offspring can
> ber either BB, Bb, or bb, hence not identical in this respect.
> --
> ------------------------------------------------------------------------------
> Brent Gilbert (bg005d at uhura.cc.rochester.edu)
> "If you choose not to decide, you still have made a choice" -Neil Peart
I don't think the question was are the offspring identical, rather are
they genetically as similar as siblings would be?
Interesting.
Geoff.
