Question

Suppose that meiosis occurs in the transient diploid stage of the cycle of a haploid organism of chromosome number n. What is the probability that an individual haploid cell resulting from the meiotic division will have a complete parental set of centromeres (that is, a set all from one parent or all from the other parent)?

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Since the parental set of centromeres can be from the male or female parent, the probability of an individual haploid cell to obtain a set from one parent is 12\dfrac {1}{2}. If there are nn chromosomes, the probability of a parent with all the centromeres is (12\dfrac {1}{2})nn. Hence, the complete set of centromeres from a parent can be computed by 2(12\dfrac {1}{2})nn.

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