Geneticists Have Discovered the Existence of Meiotic Drive Genes, Which

question 61

Multiple Choice

Geneticists have discovered the existence of meiotic drive genes, which have alleles that, when present in a heterozygous state, are able to become incorporated into much more than 50 percent of the gametes.As a result, the offspring ratios are not what Mendel would have predicted.Which statement about these meiotic drive genes is true?

• A) They violate the law of independent assortment.
• B) They violate the law of equal segregation.
• C) They alter dominance relationships.
• D) They alter phenotypes.
• E) They are an example of blending inheritance.

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Definitions:

Glucagon

A hormone produced by the pancreas that raises blood glucose levels.

Hypersecretion

The excessive production and release of a substance, such as a hormone or enzyme, by a gland.

Inhibin

A hormone that inhibits the secretion of follicle-stimulating hormone (FSH) and regulates the production of gametes and reproductive hormones.

FSH Secretion

The release of Follicle Stimulating Hormone by the anterior pituitary gland, playing a crucial role in the reproductive processes of both males and females.