AP BIOLOGY

CELL DIVISION

MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the differences between meiosis II and mitosis?
A
forms 4 daughter cells instead of 2
B
goes through 2 cycles
C
the cells are not identical to each other
D
All the above
Explanation: 

Detailed explanation-1: -Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells.

Detailed explanation-2: -Sister chromatids separate in mitosis, and homologous chromosomes separate in meiosis II. Meiosis II occurs in a haploid cell, while mitosis occurs in diploid cells. Meiosis II is known as “reductional division” while mitosis is known as “equatorial division”.

Detailed explanation-3: -The main difference between meiosis II and mitosis is that the meiosis II essentially occurs in haploid cells that have gone through meiosis I whereas the mitosis mainly occurs in diploid cells. Moreover, meiosis II occurs in the production of gametes in sexual reproduction while mitosis occurs in asexual reproduction.

Detailed explanation-4: -There are two divisions in meiosis; the first division is meiosis I: the number of cells is doubled but the number of chromosomes is not. This results in 1/2 as many chromosomes per cell. The second division is meiosis II: this division is like mitosis; the number of chromosomes does not get reduced.

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