The Following Question Refers to the Essential Steps in Meiosis

question 61

Multiple Choice

The following question refers to the essential steps in meiosis described below.
1. Formation of four new nuclei, each with half the chromosomes present in the parental nucleus
2. Alignment of tetrads at the metaphase plate
3. Separation of sister chromatids
4. Separation of the homologs; no uncoupling of the centromere
5. Synapsis; chromosomes moving to the middle of the cell in pairs
-Independent assortment of chromosomes is a result of

• A) the random and independent way in which each pair of homologous chromosomes lines up at the metaphase plate during meiosis I.
• B) the random nature of the fertilization of ova by sperm.
• C) the random distribution of the sister chromatids to the two daughter cells during anaphase II.
• D) the relatively small degree of homology shared by the X and Y chromosomes.
• E) the random and independent way in which each pair of homologous chromosomes lines up at the metaphase plate during meiosis I, the random nature of the fertilization of ova by sperm, the random distribution of the sister chromatids to the two daughter cells during anaphase II, and the relatively small degree of homology shared by the X and Y chromosomes.

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