The Fluids Contributed by the Seminiferous Tubules and Epididymis Account

question 39

Multiple Choice

The fluids contributed by the seminiferous tubules and epididymis account for about how much of the volume of semen?

• A) 75%
• B) 5%
• C) 50%
• D) 10%
• E) 25%

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Definitions:

Dizygotic Twins

Dizygotic twins, also known as fraternal twins, are produced from the fertilization of two separate eggs during the same pregnancy, sharing about 50% of their DNA.

Fraternal Twins

Siblings born at the same time from separate eggs fertilized by different sperm cells, sharing 50% of their DNA.

One-Child Policy

A government-imposed limit of one child per family, famously utilized by China from 1979 to 2015 to control population growth.

Birth Rate

A statistical measure representing the number of live births per 1,000 people in a population per year.