The Reason That Missing Chromosomes and Extra Sex Chromosomes Do

question 21

Multiple Choice

The reason that missing chromosomes and extra sex chromosomes 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.

---

Definitions:

Hydrogen Powered

Vehicles or systems that use hydrogen as a primary fuel source, often with the advantage of emitting only water vapor as a byproduct.

Dominant Strategy

A strategy that is the best for a player in a game regardless of the strategies chosen by other players.

Nash Equilibria

An idea in game theory that states a player cannot gain an advantage by altering their strategy while others maintain theirs.

Maximin Strategy

In decision-making, a strategy that maximizes the minimum gain that can be achieved, often used under conditions of uncertainty to minimize possible losses.