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Homework Statement
The Xolo is the national dog of Mexico. The striking characteristic of this dog is that it
has no hair. Xolos carry a mutation in Chromosome 17 that, when homozygous, is lethal.
If two hairless Xolos were mated, what fraction of their surviving offspring would be hairless?
Homework Equations
The Attempt at a Solution
If two hairless Xolos were mated, assuming Hh and Hh since homozygous would not exist, then 1/4 would be HH 1/4 would be hh and these would die because they're homozygous. and 2/4 Hh.
Therefore 50% would have no hair. But the answer is 2/3 will have no hair, why?