The Reason That Missing an X Chromosome and Having an Extra

question 49

Multiple Choice

The reason that missing an X chromosome and having an extra X chromosome do NOT cause more harm than they do is best explained by the

• A)inactivation of any X beyond the first as a Barr body.
• B)presence of genes on the Y chromosome that determine maleness.
• C)presence of genes on the X chromosomes that determine femaleness.
• D)loss of a sex chromosome in normal cells as embryo development occurs.
• E)a higher level of gene-repair enzyme activity on sex chromosomes.

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Definitions:

Triad

A group or set of three related people or things, often used in the context of relationships and social dynamics.

Sentiment Relation

The connection or association between emotions and attitudes towards a particular object, event, or situation, affecting perception and decisions.

Unit Relation

The connection or association between different units or elements within a system or structure.

Balance Theory

A psychological theory suggesting that individuals strive for internal consistency among their beliefs, attitudes, and perceptions, especially in the context of interpersonal relationships.