Which processes lead to most genetic variation in sexually reproducing organisms?

Select all that apply.
A. crossing over
B. random fertilization
C. independent orientation of chromosomes in meiosis
D. cytokinesis


A. crossing over
B. random fertilization
C. independent orientation of chromosomes in meiosis

Biology & Microbiology

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Indicate whether the statement is true or false.

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During phase "1", the size of the population of

deer grow slowly because

a. predators eat fawns as they are born. b. the number of breeding individuals is small. c. the temperatures are relatively extreme. d. the amount of food available is relatively scarce. e. all of these occur

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In multicelled species, spores germinate and give rise

to filaments called __________. Fill in the blank(s) with the appropriate word(s).

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The skin inhibits bacterial growth by releasing

A) lysozyme. B) macrophages. C) T cells. D) white blood cells. E) lactic acid.

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