The Current Estimate Based on Comparative Genomics for a Split

question 28

Multiple Choice

The current estimate based on comparative genomics for a split of the chimpanzee and hominin line from a common ancestor is about ______ years ago:

• A)500,000 to 1 million
• B)2 to 3 million
• C)3½ to 4½ million
• D) 5 ½ to 6 ½ million

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Definitions:

Moderately Distressed

A state of experiencing a medium level of stress, discomfort, or emotional upset, not extreme but noticeable and significant.

Unconcerned

Not worried, troubled, or interested; indifferent.

Uninterested

Showing no desire or enthusiasm to be involved with or to know about something; indifferent.

Human Face

The front part of a person's head, including the forehead, eyes, nose, mouth, and chin, which is key to identifying individuals and expressing emotions.