Unstable Trinucleotide Repeat Alleles Can Be Observed to Expand in Which

question 19

Multiple Choice

Unstable trinucleotide repeat alleles can be observed to expand in which of the following situations?

• A) During meiosis in a male premutation carrier
• B) During meiosis in a female premutation carrier
• C) During mitosis in an individual with a disease allele
• D) Both A and B
• E) Both B and C

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Definitions:

Turner Syndrome

A genetic disorder characterized by the presence of a single X chromosome in females (45,X), leading to developmental and physical differences.

Female Athlete Triad

A health condition observed in physically active females, characterized by low energy availability, menstrual dysfunction, and low bone mineral density.

Female Athlete Triad

A syndrome in women and girls who are physically active, characterized by insufficient calorie intake, menstrual disturbances, and decreased bone mineral density.

Calcium Intake

The amount of calcium consumed through diet and supplements, important for bone health and other bodily functions.