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Lilly and Max Are Dizygotic Twins

Question 3

Multiple Choice

Lilly and Max are dizygotic twins. A doctor once explained to their parents that Max has a higher chance of inheriting color blindness than Lilly. Why would that be?


A) Color blindness is dominant and dominant genes affect males more than females.
B) Color blindness is a sex-linked trait associated with the X chromosome.
C) Color blindness only affects males as it is associated with a dominant gene on the Y chromosome.
D) Color blindness is only passed on to males through their mother.
E) Color blindness is only passed on to males through their father.

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