Drosophila melanogaster has four pairs of chromosomes (including a pair of sex chromosomes).Sperm from this species are formed by a meiotic process in which homologous chromosomes pair and segregate but do not undergo crossing-over.How many genetically different kinds of sperm could be produced by a Drosophila melanogaster male (XY)?
A)4
B)8
C)16
D)64
E)256

Question

Quizplus · Accepted Answer

In Drosophila melanogaster, there are 4 pairs of chromosomes. During meiosis, each pair can segregate independently, leading to 2^4 = 16 different combinations of chromosomes in the sperm.

Drosophila Melanogaster Has Four Pairs of Chromosomes (Including a Pair