Why Does Recombination Between Linked Genes Continue to Occur

question 45

Multiple Choice

Why does recombination between linked genes continue to occur?

• A) Recombination is a requirement for independent assortment.
• B) Recombination must occur or genes will not assort independently.
• C) New allele combinations are acted upon by natural selection.
• D) The forces on the cell during meiosis II always result in recombination.
• E) Without recombination there would be an insufficient number of gametes.

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Definitions:

Cleavage Furrow

A constricted region of the cytoplasm that forms and progressively deepens during cytokinesis of animal cells, thereby separating the two daughter cells.

Crossing-over

The process of exchange of genetic material between homologous chromosomes during meiosis, leading to genetic variation.

Prophase I

The first stage of meiosis I where chromosomes condense, homologous chromosomes pair up, and crossing over occurs.

Homologous Chromosomes

Homologous chromosomes are pairs of chromosomes in a diploid organism that have the same structure and gene sequence but can carry different alleles.