Molecular Evidence Points to __________ as an Explanation for the Great

question 43

Multiple Choice

Molecular evidence points to __________ as an explanation for the great diversity of hormones and hormone receptors in vertebrates.

• A)polyploidy and nondisjunction
• B)gene duplications followed by mutations
• C)continental drift
• D)chromosomal translocations
• E)homeotic genes

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Definitions:

Immune Systems

Complex networks of cells, tissues, and organs that work together to defend the body against attacks by foreign pathogens such as bacteria, viruses, and other harmful invaders.

Type A Personality

A temperament characterized by high levels of competitiveness, impatience, aggression, and a constant sense of urgency.

Competitive

The trait of being inclined to strive for success or superiority over others, often motivated by the desire to win or be the best at something.

General Adaptation Syndrome

A theoretical model describing the body's stress response in three stages: alarm, resistance, and exhaustion.