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27 July, 09:00

Homologous recombination occurs only between DNA molecules that are identical in nucleotide sequence without any variation.

a. false, because crossing-over does not happen

b. false, because only similar sequence is needed

c. true, for all eukaryotic diploid cells

d. true, but only for cells that have more than 10 chromosomes

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  1. 27 July, 09:16
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    Answer: b. false, because only similar sequence is needed

    Explanation:

    In homologous recombination during meiosis, female and male parent paired chromosomes align so that similar DNA sequences from the paired chromosomes have the opportunity to cross over each other and this is important because it is one of the sources of genetic variation that we see among parent offspring.

    Hence, the correct option is b. false, because only similar sequence is needed.
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