Assume that one haploid nucleus of a fungus with a dikaryotic life cycle contains 16 chromosomes.At the ascospore stage, the fungus has _______ chromosomes.
A) 4
B) 8
C) 16
D) 32
E) 64

Question

Quizplus · Accepted Answer

In a dikaryotic life cycle of a fungus, each haploid nucleus contains half the number of chromosomes found in the diploid stage. Therefore, if one haploid nucleus contains 16 chromosomes, the diploid stage would have 32 chromosomes. However, the question asks for the number of chromosomes at the ascospore stage, which is haploid. Therefore, the number of chromosomes would be half of the diploid stage, which is 16. Therefore, the answer is C) 16.

Assume That One Haploid Nucleus of a Fungus with a Dikaryotic