Estimates of Heritability Made by Comparing Related Individuals Assume That

question 72

Multiple Choice

Estimates of heritability made by comparing related individuals assume that the environments of related individuals:

• A) are more similar than those in which unrelated individuals are raised.
• B) are not any more similar than those in which unrelated individuals are raised.
• C) are manipulated so that some siblings within each family experience either one of the extreme ends of the environmental range.
• D) have no effect at all on phenotypic variance in the family.
• E) are identical for every sibling in the family.

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Definitions:

Adipose Tissue

A type of body fat used for storing energy and providing insulation to the body.

Collagen And Elastin

Two structural proteins found in connective tissues in the body, where collagen provides strength and elastin allows elasticity and flexibility.

Extracellular Matrix

A sophisticated mesh of proteins and polysaccharides released by cells that offer both structural and biochemical assistance to adjacent cells.

Loose Connective Tissue

Connective tissue that consists of fibroblasts and fibers scattered in a gel-like matrix.