Which type of crossover event produces all four recombinant chromosomes?
A) single-strand crossover
B) two-strand double crossover
C) three-strand double crossover
D) four-strand double crossover
E) None of the above; all crossover events produce a combination of parental and recombinant chromosomes.
D
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Fill in the blank(s) with the appropriate word(s).
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Which type of skeleton protects a human's soft internal organs?
What will be an ideal response?
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