Answer the following questions in reference to the five items listed below.
-The normal sperm cell of species X carries 11 chromosomes.Following nondisjunction in the formation of secondary spermatocytes and their subsequent fertilization of normal ova,some of the zygotes will have 21 chromosomes,and the remainder will have how many chromosomes?
A)12
B)23
C)24
D)46
E)47

Question

Quizplus · Accepted Answer

Nondisjunction in secondary spermatocytes leads to sperm with either an extra chromosome (12) or one less (10). Fertilizing a normal ovum (11 chromosomes) results in zygotes with either 23 or 21 chromosomes.

Answer the Following Questions in Reference to the Five Items