Scelta multipla
During what phase of meiosis does crossing over occur?
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12. Meiosis
Introduction to Meiosis
Scelta multipla
How many nuclear divisions occur during meiosis?
A
Two
B
One
C
Four
D
Three
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Understand that meiosis is a type of cell division that reduces the chromosome number by half, creating four haploid cells from one diploid cell.
Recognize that meiosis consists of two consecutive nuclear divisions: meiosis I and meiosis II.
In meiosis I, homologous chromosomes are separated, resulting in two daughter cells, each with half the number of chromosomes.
In meiosis II, the sister chromatids are separated, similar to mitosis, resulting in four haploid cells.
Therefore, the process of meiosis involves two nuclear divisions: meiosis I and meiosis II.
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