The Similarities of Gene Sequences and Metabolic Pathways Across the Three

question 106

Multiple Choice

The similarities of gene sequences and metabolic pathways across the three domains of life are evidence for:

• A) evolution.
• B) a common ancestor.
• C) cross-species genetic transfer.
• D) both evolution and a common ancestor.
• E) both a common ancestor and cross-species genetic transfer.

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Definitions:

Lesbian Couples

Relationships between two women who are romantically and sexually involved with each other.

U.S. Households

Pertains to living units in the United States where individuals or groups of people reside, commonly forming a family or household unit.

1970

A year marked by significant global and national events, considered part of the late 20th century historical context.

Dual-Income Families

Households in which both partners earn income from employment, becoming increasingly common in modern societies.