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23 October, 17:18

Q9: Human females can pass on either one of the their two X chromosomes to an offspring, but a dad

can pass on either an X chromosome or a Y chromosome. So does a child really inherit 50% of all their

DNA from mom and 50% from dad? Explain:

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Answers (1)
  1. 23 October, 17:23
    0
    yes a child inherits 50% of their DNA from mom and 50% from dad

    Explanation:

    Males are heterogametic as they produce two types of gametes one carrying an X and the other carrying Y chromosome. Females are homogametic because they produce one type of gamete carrying the X chromosomes. The chromosomes are inherited equally in the mendelian fashion. Genes on the chromosomes are therefore inherited equally with 50% coming from the mother and 50% coming from the father.
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Home » Biology » Q9: Human females can pass on either one of the their two X chromosomes to an offspring, but a dad can pass on either an X chromosome or a Y chromosome. So does a child really inherit 50% of all their DNA from mom and 50% from dad? Explain:
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