One significant difference between spermatogenesis and oogenesis is that
A. females produce only one gamete during their lifetime.
B. males produce sperm cells only between thirteen and forty.
C. the size of resulting cells is different.
D. the placement of the gonads does not influence viability in males, but does in females.
C. the size of resulting cells is different.
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In contrast to positive and negative selection, _________ acts to maintain two or more alleles in a population
A. balancing selection B. disruptive selection C. stabilizing selection D. directional selection
Viral infections in humans spread via the circulatory system. Viral infections in plants spread from cell
to cell via:a. endocytosis. b. plasmodesmata. c. infected seeds. d. pili. e. transformation.
Rabbits and rodents are the Reservoirs of the Causative Agent of:
What will be an ideal response?
The protein that surrounds the viral nucleic acid is called the
What will be an ideal response?