Crossing over during mitosis increases genetic diversity during:
A. parasexual reproduction.
B. asexual reproduction.
C. sexual reproduction.
D. asexual and parasexual reproduction only.
E. sexual and parasexual reproduction only.
A
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The molecules of water resist separating from one another; a property that is called ________
a. evaporation b. cohesion c. temperature-stabilizing d. electronegativity
Deciduous trees in North America are dormant during winter months because ____
a. they receive no precipitation during winter b. photosynthesis cannot occur during winter c. this offers a way to survive the extended drought-like conditions d. the cold temperatures would otherwise damage leaves and buds e. they have no leaves during winter months
An enzyme binds its substrate at the active site
__________________ Indicate whether the statement is true or false.
Which of the following is not involved in gene cloning?
A. "sticky" ends B. restriction enzyme C. dyes attached to nucleotides D. vector E. host cell