Some Animal Embryos Establish Axes Early in Development

question 27

Multiple Choice

Some animal embryos establish axes early in development.In amphibian embryos,the anterior-posterior axis is determined by the

• A) location of the vegetal pole.
• B) location of the animal pole.
• C) point of sperm penetration.
• D) location where cleavage begins.
• E) position of external light shining on the embryo.

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Definitions:

Self-Concept

An individual's understanding of the self, comprising thoughts and feelings about personal abilities, appearance, and behavior.

Ethnocentrism

The belief in the inherent superiority of one's own ethnic group or culture, often accompanied by a disregard for other cultures.

Groupthink

A phenomenon within groups where the desire for harmony or conformity results in an irrational or dysfunctional decision-making outcome.

Prejudice

A preconceived opinion or judgment about someone or something that is not based on reason or actual experience, often manifesting as bias or discrimination.