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
C) 16
Biology & Microbiology
You might also like to view...
Cells obtained from a Triplo-X woman would contain ________ Barr bodies
A) 0 B) 1 C) 2 D) 3 E) 4
Biology & Microbiology
During periods of stress or increased activity, the parasympathetic division of the autonomic nervous system predominates; during periods of rest, the sympathetic division of the autonomic nervous system predominates
Indicate whether the statement is true or false
Biology & Microbiology
If one strand is CCAATTG on DNA, then the complementary DNA strand is:
A. AAGGUUC B. CCAATTG C. GGTTAAC D. GGUUAAC
Biology & Microbiology
An aneurysm is a weakening of the walls of a blood vessel. Which of the following blood vessels would be most likely to break open if an aneurysm is present?
A) capillary B) venule C) artery D) lymph duct
Biology & Microbiology