"Fragile X" Is Commonly Due to

question 94

Multiple Choice

"Fragile X" is commonly due to

• A)a mutation in the X-chromosome.
• B)a fragile psychological state that leads to mental retardation.
• C)a brief period where there was limited exposure to oxygenated air.
• D)a metabolic disorder.

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Definitions:

Germinal Stage

The initial two weeks of prenatal development after conception, characterized by cell division and the attachment of the zygote to the uterine wall.

Neonatal Stage

The period extending from birth to 28 days of life, characterizing the first phase of infancy where intensive care and monitoring are essential.

Age of Viability

The stage of fetal development when the fetus is capable of surviving outside the uterus, typically around 24 weeks of gestation.

Prematurely

Occurring or done before the usual or proper time; too early.