Biology, asked by Anonymous, 20 days ago

Write 8 differences between mitosis and meiosis??

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Answers

Answered by mem878688
2

Answer:

The important difference between mitosis and meiosis are mentioned below:

Difference between Mitosis and Meiosis

Mitosis

Meiosis

Interphase

Each chromosome replicates. The result is two genetically identical sister chromatids (However, do note that interphase is technically not a part of mitosis because it takes place between one mitotic phase and the next) Chromosomes not yet visible but DNA has been duplicated or replicated

Prophase

Prophase –Each of the duplicated chromosomes appears as two identical or equal sister chromatids, The mitotic spindle begins to form. Chromosomes condense and thicken Prophase I – crossing-over recombination – Homologous chromosomes (each consists of two sister chromatids) appear together as pairs. Tetrad is the structure that is formed. Segments of chromosomes are exchanged between non-sister chromatids at crossover points known as chiasmata (crossing-over)

Metaphase

Metaphase -The chromosomes assemble at the equator at the metaphase plate Metaphase I Chromosomes adjust on the metaphase plate. Chromosomes are still intact and arranged as pairs of homologues

Anaphase

Anaphase – The spindle fibres begin to contract. This starts to pull the sister chromatids apart. At the end of anaphase, a complete set of daughter chromosomes is found each pole Anaphase I Sister chromatids stay intact. However, homologous chromosomes drift to the opposite or reverse poles

Mode of Reproduction

Asexual Reproduction Sexual Reproduction

Occurrence

All the cells Reproductive cells

Function

General growth and repair, Cell reproduction Genetic diversity through sexual reproduction

Cytokinesis

Occurs in Telophase Occurs in Telophase I and in Telophase II

Discovered by

Walther Flemming Oscar Hertwig

hope it helps you

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