A) 0%
B) 25%
C) 50%
D) 100%
Correct Answer: A
Solution :
The inheritance of hypertrichosis (long hair growth on ear) is controlled by holandric genes present on the non-homologous part of Y-chromosome. These genes are usually received and usually expressed by all the male descendants of affected male generation after generation while female descendants, being lacking this non-homologous Y-iegion could neither receive, express, nor transmit such a trait.
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