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HomeHomework HelpbiologyMeiosis II

Meiosis II

Meiosis II is the second division of meiosis, following meiosis I, in which the sister chromatids of each chromosome are separated and distributed into four haploid daughter cells, each containing a single set of chromosomes. This process is essential for sexual reproduction, as it reduces the chromosome number by half and increases genetic diversity.

intermediate
2 hours
Biology
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Overview

Meiosis II is a critical phase in the process of sexual reproduction, where the sister chromatids of each chromosome are separated into four haploid cells. This division is essential for maintaining the correct chromosome number in gametes, which is vital for fertilization and genetic diversity. Und...

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Key Terms

Chromatid
One of two identical halves of a duplicated chromosome.

Example: During anaphase II, sister chromatids are pulled apart.

Haploid
A cell that contains one complete set of chromosomes.

Example: Gametes are haploid cells.

Diploid
A cell that contains two complete sets of chromosomes.

Example: Somatic cells are diploid.

Crossing Over
The exchange of genetic material between homologous chromosomes during meiosis.

Example: Crossing over increases genetic diversity.

Independent Assortment
The random distribution of homologous chromosomes during meiosis.

Example: Independent assortment leads to varied genetic combinations.

Prophase II
The first stage of meiosis II where chromosomes condense and the nuclear envelope breaks down.

Example: Prophase II prepares the cell for chromatid separation.

Related Topics

Meiosis I
The first division in meiosis, where homologous chromosomes are separated.
intermediate
Mitosis
The process of cell division that results in two identical daughter cells.
beginner
Genetic Variation
The diversity in gene frequencies within a population, influenced by meiosis.
intermediate

Key Concepts

Chromatid separationHaploid cellsGenetic diversityMeiotic stages