What Genetic Difference Has Been Found Between Humans and Chimpanzees

question 53

Multiple Choice

What genetic difference has been found between humans and chimpanzees that is likely responsible for the human capability for speech?

• A)A mutation in the FOXP2 gene
• B)A mutation in the microcephalin gene
• C)A mutation in the hyoid
• D)A mutation in the lungs
• E)A mutation in the tongue

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Definitions:

Plasma Colloid Osmotic Pressure

The pressure exerted by plasma proteins on the capillary walls, influencing the movement of water between capillaries and tissues.

Vasomotor Tone

Relatively constant frequency of sympathetic impulses that keep blood vessels partially constricted in the periphery.

Blood Colloid Osmotic Pressure

The pull exerted by large proteins in the plasma portion of blood that tends to draw water into the circulatory system.

Interstitial Fluid

The fluid that surrounds the cells in tissues, providing a medium for the exchange of substances between blood and cells.