Which of the following options correctly describes the behavior of a tetrad during anaphase 1 of meiosis? a) it splits into four chromosomes, which distribute in sister-chromosome pairs to the two poles of the dividing cell. b) it goes intact to one pole of the dividing cell. c) it splits into two pairs of sister chromatid, and one pair goes to each pole of the dividing cell. d) it splits into four chromosomes, which distribute in random pairs to the two poles of the dividing cell. e) it splits into two pairs of homologous, nonsister chromatids, and one pair goes to each pole of the dividing.

The answer is; C

Homologous chromosomes have the same genes on the same loci. However, they may have different forms of the same gene called alleles. These sister chromosomes, of a homologous pair, separate during anaphase I of meiosis. The two daughter cells formed will, therefore, have half the genetic material as the parent cell. This is because they will only have one set of the genes (as in diploid organisms) and are called gametes.

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