Tasha and Boris,expectant parents,wonder about the endless possibility of traits their unborn son might inherit from them (e.g. ,Tasha's red hair and allergies;Boris's tall frame and poor eyesight).As a genetics expert,you tell them that after cell division,the egg or sperm contains _____ chromosomes;thus,a male or female can produce _____ different combinations of his or her chromosomes.
A)23;223
B)23;232
C)46;246
D)46;462

Question

Quizplus · Accepted Answer

After cell division, the egg or sperm contains 23 chromosomes. Since humans have two sets of chromosomes (one from each parent), a male or female can produce 223 (or 8,388,608) different combinations of his or her chromosomes. Choice A is the only option that matches these numbers.

Tasha and Boris,expectant Parents,wonder About the Endless Possibility of Traits