Multiple Choice
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
Correct Answer:
Verified
Correct Answer:
Verified
Q21: You examine cells with a microscope and
Q22: Mitosis results in _ chromosome number, whereas
Q23: Males with one copy of an X-linked
Q24: Which aspect(s)of chromosome behavior is/are primarily responsible
Q25: A cell with three pairs of chromosomes
Q27: In the following pedigree, the indicated trait
Q28: Cells in the G<sub>0</sub> stage<br>A)have two chromatids
Q29: You engineer an XY mouse in which
Q30: In fruit flies, an X-linked dominant mutant
Q31: Individuals with Turner syndrome have which of