Question

How are meiosis and mitosis different? A. Mitosis produces haploid cells and meiosis produces diploid cells. B. Chromatids are formed only during the process of meiosis. C. In mitosis, cells go through telophase, but in meiosis, they do not. D. Only meiosis results in a reduction in chromosome number.

Answer 1

The answer is D, Only meiosis results in a reduction in chromosome number

Answer 2

Only meiosis results in a reduction in chromosome number is the statement that reflects how meiosis and mitosis are different.

Meiosis is a particular type of nuclear division that consists of two consecutive divisions, beginning in diploid cells, in which the number of chromosomes is reduced by half.

In this, the diploid set of chromosomes that contains two homologues from each pair is reduced to a haploid set, which contains only one set from each pair.

• The reduction in the number of chromosomes does not occur at random, but rather the members of pairs of chromosomes are separated to pass to different daughter cells, it is therefore also a source of new combinations within the chromosomes.

• Meiosis occurs at some point in the life cycle of all sexually reproducing organisms, since gametes must be haploid.

• In contrast, in mitosis, each daughter cell is assigned a complete set of chromosomes.

Therefore, we can conclude that only meiosis results in a reduction in chromosome number is the statement that reflects how meiosis and mitosis are different.

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