Which of the following events does not occur in prophase II?
a. formation of the spindle
b. condensation of chromatin into chromosomes
c. formation of chiasmata
d. removal of the nuclear membrane
e. sister chromatids become visible when viewed with the light micros
C
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Which of the following does not result in increased genetic diversity?
A. All of the answer options would result in increased genetic diversity. B. recombination of alleles between homologous chromosomes during meiosis C. random sorting of homologous chromosomes into different gametes during meiosis D. fusion of unique gametes during fertilization E. conjugation in prokaryotes
Why are mutations in DNA repair genes the most harmful to the cell?
What will be an ideal response?
Cross-breeding produced featherless chickens
for which of the following purposes? a. to make it easier to process after slaughter b. to prevent a feather infecting disease c. to be more resistant to high temperatures in the desert d. to improve breeding efficiency e. to do all of these
A major concern with the 1RM test is the risk of injury.
a. true b. false