Exchange of genetic material between chromatids of homologous chromosomes during meiosis is call

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Exchange of genetic material between chromatids of...

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Key Concepts

Crossing Over

Crossing over is the process by which sections of DNA are exchanged between non-sister chromatids of homologous chromosomes during prophase I of meiosis. This exchange of genetic material creates new combinations of genes, leading to increased genetic diversity in the resulting gametes.

Meiosis

Meiosis is a specialized form of cell division that produces gametes with half the number of chromosomes of the parent cell. It involves two successive rounds of division following a single round of DNA replication and is crucial for sexual reproduction as it introduces genetic diversity through recombination and independent assortment.

Homologous Chromosomes

Homologous chromosomes are pairs of chromosomes in a diploid organism that have the same structure and gene sequence, though they may contain different alleles. During meiosis, they pair up and exchange segments of genetic material, which is fundamental for increasing genetic variability.

Chromatids

Chromatids are the identical halves of a duplicated chromosome that remain connected by a centromere until they separate during cell division. In meiosis, crossover events occur between non-sister chromatids, which contributes to genetic recombination.

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