Question

In: Biology

Describe similarities and/or differences between the phases and outcomes of mitosis and meiosis. a. Mitosis vs....

Describe similarities and/or differences between the phases and outcomes of mitosis and meiosis.

a. Mitosis vs. meiosis

b.Chromosome number in all stages

Solutions

Expert Solution

Similarities between mitosis and meiosis-

1. Both have prophase , metaphase , anaphase and telophase.

2. Both involves nuclear division.

3. Both involves separation of chromosomes by spindle formation.

4. Both involves doubling of chromosomes.

Differences -

1. Mitosis has only one cell division while meiosis have two cell divisions.

2. Mitosis occurs in somatic cells while meiosis occurs in germ cells(sex cells).

3. Mitosis results in 2 cells while meiosis results in 4 cells.

4. Resulting cells are diploid in mitosis and haploid in meiosis.

Chromosome number - parent cell is diploid having 46 chromosomes.

Mitosis- prophase -46 , metaphase -46, anaphase -92, telophase -92 and at end each cell receives 46 chromosomes.

Meiosis 1- prophase - 46, metaphase -46, anaphase -46, telophase -46 and at end each cell receives 23 chromosomes(2 cells).

Meiosis 2 -prophase - 23, metaphase -23, anaphase -46, telophase -46 and at end each cell receives 23 chromosome (4 cells).


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