How Is the Epigenetic Trait Induced by Vinclozolin Transmitted to Offspring

question 23

Multiple Choice

How is the epigenetic trait induced by vinclozolin transmitted to offspring?

• A) DNA methylation is increased in sperm of treated males, and this methylation pattern is inherited by offspring.
• B) Treated males are more successful at mating, so more offspring inherit the trait.
• C) Females exposed to the drug produce fewer eggs, and the resulting offspring exhibit this same phenotype.
• D) Treated females have increased DNA methylation in neuronal cells, which alters their mating behaviors.

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Definitions:

Endometrium

The mucous membrane lining the interior of the uterus, which thickens during the menstrual cycle to prepare for potential pregnancy.

Uterus

The uterus is a significant female reproductive organ in many mammals, including humans, where it serves as the site for fetal development during pregnancy.

Interstitial Cells

Cells located in the spaces between other cells in a tissue or organ, often involved in hormone production.

Testes

The male reproductive organs that produce sperm and hormones, primarily testosterone.