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BiologyBiology
4 May, 23:57

What is the importance of crossing-over?

a. It provides extra genetic material for the daughter cells.

b. It increases the likelihood that daughter cells contain different genetic material.

c. It produces the proteins that are associated with DNA in chromosomes.

d. It increases chromosome condensation. It separates the homologous chromosomes.

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  1. 5 May, 02:31
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    b. It increases the likelihood that daughter cells contain different genetic material.

    Explanation:

    Morgan and Cattell for the first time used the term 'crossing over'. Crossing over takes place during prophase I of meiosis. During crossing over, chromosome segments of non-sister chromatids of homologous chromosomes get exchanged. As a result, the daughter cells acquire different genetic materials. Thus, it provides genetic variation by creating a new combination of genes or get recombination and produces hybrids.
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Home » Biology » What is the importance of crossing-over? a. It provides extra genetic material for the daughter cells. b. It increases the likelihood that daughter cells contain different genetic material. c.
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