Asked by CHRIS
Hemophilia is an X-linked recessive disorder that is passed through generations and can be traced by using a pedigree.
A genetic pedigree is shown. The parents of Irena have alleles of Upper X Superscript Upper H baseline Upper Y and Upper X superscript Upper H baseline Upper X Superscript h.
In the pedigree that is shown, which represents Irene's allele combination?
XhXh
XHXh
XHXH
XhY
All Answers 1
Answered by
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XHXh
Explanation: The father is X^H Y (gives X^H to daughters) and the mother is X^H X^h (can give X^H or X^h). A daughter who is a carrier (as shown in the pedigree) will have one normal allele from dad and one mutant allele from mum: X^H X^h.
Explanation: The father is X^H Y (gives X^H to daughters) and the mother is X^H X^h (can give X^H or X^h). A daughter who is a carrier (as shown in the pedigree) will have one normal allele from dad and one mutant allele from mum: X^H X^h.
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