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3 November, 09:41

How does crossing over add to the genetic diversity of sexually reproducing organisms?

A. It involves segments of two homologous chromosomes trading places.

B. It involves random segregation of the homologous chromosomes to each daughter cell.

C. It involves fertilization of an ovum by any one out of millions of sperms.

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Answers (2)
  1. 3 November, 09:54
    0
    In this item, we are asked to reason out as to why crossing over add to the genetic diversity of the sexually reproducing organisms. The answer to this question is that it is the exchange of genetic material between homologous chromosomes resulting in recombinant chromosomes. The answer to this item is letter B.
  2. 3 November, 10:03
    0
    The process of crossing is best described as A. it involves segments of two homologous chromosomes trading places. This swapping of places on two chromosomes means that there is additional variation in the chromosomes that will be passed on to the gametes. Genetic variation is futher enhanced by the process of fertilization.
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Home » Biology » How does crossing over add to the genetic diversity of sexually reproducing organisms? A. It involves segments of two homologous chromosomes trading places. B. It involves random segregation of the homologous chromosomes to each daughter cell. C.
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