AP BIOLOGY

LABORATORY REVIEW

MITOSIS AND MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This process begins with a DIPLOID CELL
A
Mitosis
B
Meiosis
C
Both
Explanation: 

Detailed explanation-1: -Meiosis begins with a parent cell that is diploid, meaning it has two copies of each chromosome. The parent cell undergoes one round of DNA replication followed by two separate cycles of nuclear division.

Detailed explanation-2: -Mitosis produces two diploid (2n) somatic cells that are genetically identical to each other and the original parent cell, whereas meiosis produces four haploid (n) gametes that are genetically unique from each other and the original parent (germ) cell.

Detailed explanation-3: -Meiosis is how eukaryotic cells (plants, animals, and fungi) reproduce sexually. It is a process of chromosomal reduction, which means that a diploid cell (this means a cell with two complete and identical chromosome sets) is reduced to form haploid cells (these are cells with only one chromosome set).

Detailed explanation-4: -Diploid Cell Reproduction Diploid cells reproduce through mitosis. In mitosis, a cell makes an identical copy of itself. It replicates its DNA and distributes it equally between two daughter cells that each receive a full set of DNA. Somatic cells go through mitosis and (haploid) gametes undergo meiosis.

Detailed explanation-5: -The result is four haploid (n) cells, each with half the number of chromosomes as the parent cell due to the separation of homologous pairs in meiosis I. In contrast, mitosis is the process by which a diploid parent cell produces two diploid daughter cells.

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