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Draw a diagram of the chromosomal events that will ultimately result in the segr

ID: 64785 • Letter: D

Question

Draw a diagram of the chromosomal events that will ultimately result in the segregation of alleles (A and a) during meiosis II rather than meiosis I.

Can somebody please provide an explanation for the answer that is already shown below? I don't understand what the diagram is showing exactly (obviously recombination between two homologous chromosomes, I get that). I don't understand how this shows an event that will ultimately result in segregation during meiosis II vs. I. Please note what a drawing would look like if the segregation would instead occur during meiosis I. THANKS.

Explanation / Answer

This can't be correct, as there is no homologous recombination during Meiosis II. During Meiosis II, segregation is simple as Mitosis, i.e. allele separate and move to opposite poles.

This can be diagram for Meiosis I, but not Meiosis II. Also homologous chromosomes are not present in Meiosis II, they already have moved to two daughter cells after Meiosis I.

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