Proper division of chromosomes fails more frequently in mammalian oogenesis than in mammalian spermatogenesis. What is the most likely reason for this phenomenon?

Respuesta :

Oogenesis is suspended in meiosis for many years, whereas meiosis during spermatogenesis completes quickly.

What is Meiosis?

Meiosis is a type of cell division that occurs in sexually reproducing organisms and results in a reduction in the number of chromosomes in gametes (the sex cells, or egg and sperm). Body (or somatic) cells in humans are diploid, with two sets of chromosomes (one from each parent). To sustain this state, the egg and sperm that combine during fertilization must be haploid, meaning they have a single set of chromosomes. During meiosis, each diploid cell divides twice to produce four haploid daughter cells — the gametes.

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