Questions: What happens to the homologous chromosome pairs during independent assortment?

What happens to the homologous chromosome pairs during independent assortment?
Transcript text: What happens to the homologous chromosome pairs during independent assortment?
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Solution

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The answer is the third one: The chromosomes separate randomly.

Explanation for each option:

  1. The chromosomes separate based upon the alleles inherited from the mother or the father.
    This is incorrect. Independent assortment refers to the random distribution of maternal and paternal chromosomes into gametes, not a separation based on specific alleles from the mother or father.

  2. The chromosomes decondense into chromatin.
    This is incorrect. Chromosome decondensation into chromatin typically occurs after cell division, not during the process of independent assortment.

  3. The chromosomes separate randomly.
    This is correct. During independent assortment, homologous chromosome pairs are separated randomly into gametes, leading to genetic variation.

  4. The chromosomes are copied.
    This is incorrect. Chromosome copying occurs during DNA replication, not during independent assortment.

In summary, during independent assortment, homologous chromosome pairs separate randomly, contributing to genetic diversity in gametes.

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