The Term ______ Refers to the Overall Extent That Differences

question 110

Multiple Choice

The term ______ refers to the overall extent that differences in IQ among people are attributable to genes.

• A) heritability
• B) coefficient
• C) biological
• D) environment

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Definitions:

Fertilization Envelope

A protective layer that forms around the egg cell of some species immediately after fertilization, blocking additional sperm from entering the egg.

Plasma Membranes

The semipermeable membrane surrounding the cytoplasm of a cell, controlling the passage of substances in and out.

Blastula

An early stage of embryonic development in animals, characterized by a hollow sphere of cells surrounding a fluid-filled cavity.

Zona Pellucida

A thick, transparent membrane surrounding the plasma membrane of mammalian oocytes and early embryos.