Steve Was Born a Male with an Extra X Chromosome

question 323

Multiple Choice

Steve was born a male with an extra X chromosome on the 23^rd pair. As result, he has reduced masculine characteristics, enlarged breasts, and is obese and excessively tall. Which disorder is likely to be diagnosed?

• A) PKU
• B) Down
• C) Klinefelter's
• D) Turner's

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Definitions:

Adaptive Flexibility

The ability to adjust behaviors or thoughts in response to changing environmental demands.

Reproductive Success

A measure of the number of offspring an individual produces and supports to reproductive age, which contributes to the genetic pool of the next generation.

Epigenetic Marks

Chemical modifications to DNA and histones that affect gene expression without altering the genetic sequence itself.

Gene Replication

The biological process by which a cell copies its DNA prior to cell division, ensuring that each new cell receives a full set of genetic information.