Different Results Are Achieved When an Eight-Cell Sea Urchin Embryo

question 46

Multiple Choice

Different results are achieved when an eight-cell sea urchin embryo is bisected horizontally as opposed to when it is bisected vertically.This observation supports which statement?

• A) Cellular determinants are equally distributed in the embryo.
• B) Differentiation has occurred by the eight-cell stage.
• C) Inducers have determined cell fate by the eight-cell stage.
• D) Polarity exists in the embryo by the eight-cell stage.
• E) All cells of the eight-cell stage are totipotent.

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Definitions:

Demographic Trends

Patterns of changes in population characteristics over time such as age, race, and gender distributions.

Culturally Diverse

Referring to the inclusion of individuals from a variety of cultural, ethnic, and racial backgrounds, enhancing creativity and problem-solving within groups or organizations.

Stereotypes

Oversimplified generalizations about groups of people without regard for individual differences.

Workplace Diversity

The inclusion of individuals from a wide range of backgrounds, cultures, and perspectives in a professional setting, enhancing creativity and problem-solving.