Rosa Has Been Using the Mucus Method of Birth Control

question 114

Multiple Choice

Rosa has been using the mucus method of birth control. She knows to avoid unprotected intercourse:

• A) when her basal body temperature rises slightly.
• B) when a white or yellow sticky discharge begins.
• C) 24 hours after a cloudy discharge begins.
• D) three days before she begins to menstruate.

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Definitions:

Crossing-Over

Exchange of segments between non-sister chromatids of a bivalent during meiosis.

Chromatids

One of two identical halves of a duplicated chromosome, joined together by a centromere and separated during cell division.

Genetic Material

The molecules responsible for heredity and variation of organisms, primarily DNA or RNA in viruses.

Homologous Chromosomes

Pairs of chromosomes in a diploid organism that are similar in shape, size, and gene content, one inherited from each parent.