A Male Has a Defect in the X Chromosome of the 23rd

question 173

Multiple Choice

A male has a defect in the X chromosome of the 23rd pair. As children, people with this syndrome experience symptoms that can range from mild to severe or even profound intellectual disability. This is known as ________.

• A) fragile X syndrome
• B) Down syndrome
• C) fetal alcohol syndrome
• D) familial intellectual disability

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Definitions:

Fraternal Twin

Twins that develop from two different eggs fertilized by two different sperm, resulting in siblings that are genetically distinctive, similar to regular siblings.

Identical Twin

A twin that has developed from a single fertilized egg, dividing into two, and sharing exactly the same genetic material.

Mastery Motivation

An intrinsic drive to achieve competence and mastery over tasks, leading to perseverance and dedication to learning and improvement.

Achievement Motivation

The drive or urge to accomplish goals or attain certain standards of excellence.