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14 April, 12:01

How does recombination contribute to offspring diversity? A. It modifies chromosomes to generate new alleles of genes that code for proteins. B. It increases the genetic diversity among gametes produced by an organism. C. It generates gametes with selective advantages over the gametes of competitors. D. It yields chromosomes that contain both maternal and paternal DNA. E. It yields gametes with random combinations of maternal and paternal chromosomes.

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  1. 14 April, 12:54
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    Answer: D. It yields chromosomes that contain both maternal and paternal DNA.

    Explanation:

    The recombination or crossing over is a genetic process. It takes place during the Prophase I of meiosis. The homologous pair align and held together by synapsis. This results in the mixture of genes combination formed from both parents that can be represented as a single chromosome.

    If the recombination do not occur then each chromosome will be either 100% maternal or paternal. Thus recombination assures the recombinant chromosomes which consists of genetic material from both parents. Thus the genetic diversity of offspring increases.
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