Sort each daughter cell into the appropriate bin depending on which arrangement at metaphase i would create it. During metaphase, all of the chromosomes are aligned in a plane called the metaphase plate, or the equatorial plane, midway between the two poles of the cell At this stage, each cell has a haploid number of chromosomes (in humans, 23 chromosomes or 23 pairs of chromatids)
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Chromosomes line up at the metaphase plate in the center of the cell
Spindle fibers attach to the centromeres of each chromosome.
In metaphase i, the 23 pairs of homologous chromosomes line up along the equator or the metaphase plate of the cell During mitosis, 46 individual chromosomes line up during metaphase, however during meiosis i, the 23 homologous pairs of chromosomes line up. In metaphase i, the duplicated copies of these maternal and paternal homologous chromosomes line up across the center of the cell The orientation of each tetrad is random.
In meiosis i, homologous chromosomes pair up, or synapse, during prophase i, line up in the middle of the cell during metaphase i, and separate during anaphase i. The number of variations is dependent on the number of chromosomes making up a set There are two possibilities for orientation at the metaphase plate The possible number of alignments therefore equals 2 n in a diploid cell, where n is the number of chromosomes per haploid set.
The parent cell that enters meiosis is diploid, whereas the four daughter cells that result are haploid
Which statement correctly describes how cellular dna content and ploidy levels change during meiosis i and meiosis ii? In metaphase ii, the chromosomes line up individually along the metaphase plate In anaphase ii, the sister chromatids separate and are pulled towards opposite poles of the cell. It is also known as the reduction division because it results in cells that have half the number of chromosomes as the parent cell.
