Fragile X Syndrome

question 80

Multiple Choice

Fragile X syndrome

• A) is an example of polygenic inheritance.
• B) occurs when there is a sudden but permanent change in a segment of DNA.
• C) is the most common inherited cause of intellectual disability.
• D) occurs more often in females than males because the disorder is X-linked.

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Definitions:

Estrogen

A group of steroid hormones that play an essential role in the development and maintenance of female characteristics and reproductive processes.

Corpus Luteum

A temporary endocrine structure in female ovaries that produces hormones, primarily progesterone, following ovulation.

Zona Pellucida

The thick, transparent covering that surrounds the plasma membrane of a mammalian ovum.

Uterine Wall

The muscular layer of the uterus, crucial for menstrual cycles and expanding during pregnancy to accommodate a growing fetus.