Although There Is Wide Variation, a "Typical" Menstrual Cycle Is

question 16

Multiple Choice

Although there is wide variation, a "typical" menstrual cycle is approximately ________ days long.

• A) 7
• B) 15
• C) 28
• D) 45

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Definitions:

Metastasis

The spreading of cancer cells from one organ or part of the body to another.

Mutation

A change in the DNA sequence within a gene or chromosome of an organism leading to the creation of a new character or trait.

Antennae

(sing., antenna) Sensory structures characteristic of some arthropod groups.

Segmentation Genes

Genes that determine the number and polarity of body segments in an embryo, playing a crucial role in the early development of many animals.