Radiocarbon Dating Is Possible Primarily Because ____

question 52

Multiple Choice

Radiocarbon dating is possible primarily because ____.

• A)the ratio of carbon-14 to carbon-12 in the atmosphere is constant
• B)carbon-14 is constantly being formed in the upper atmosphere
• C)living organisms selectively use carbon-13 and carbon-12
• D)organisms stop accumulating carbon-14 when they die
• E)carbon 14 decays to oxygen

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Definitions:

Sex-linked Gene

A gene located on a sex chromosome (commonly the X chromosome), which often leads to the expression of traits differing between sexes.

Color-blindness

is a condition where an individual has difficulty distinguishing between certain colors, due to defects in the color-sensing pigments in the eye.

Hemophilia

Genetic disorder that is caused by a deficiency of a clotting factor in the blood.

Klinefelter Syndrome

A genetic condition in males resulting from an extra X chromosome (XXY), characterized by reduced fertility, testicular atrophy, and sometimes lower levels of testosterone.