An Rh(-) woman marries a Rh(+) man gave birth to three children ,one which died of erythroblastosis foetalis. What is the genotype of woman and man ?
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Assuming it is on the X chromosome females only donate X and males can donate X or Y
Thus you can get
Thus the female would have to have one X- and one X+ and male would have X+
We assume that X- is the dominant allele
if the Female only had X- X- and the male was X+
then you could only have two possible phenotypes
correct me if i am wrong
is the answer the first option
Read my solution if you don't understand articulate it for me not to be rude but I'm busy :)
is Y always of + type
Y wouldn't carry the allele
it is a totally different chromosome
Well I assume
oh thanks i got the answer
thanks a lot @cuddlepony ^_^