In the case of Mendel's peas, a single gene determined the height of the plant; however, in humans, adult height is influenced by many genes. A trait such as human height is said to be

a) codominant
b) polygenic
c) multi-allelic
d) incompletely dominant
e) pleiotropic


Answer: b) polygenic

Biology & Microbiology

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What is a deficiency of oxygen in the tissues called?

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Amniocentesis and chorionic villi sampling are performed in order to

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Which one of the following represents the pH of a solution with the highest concentration of hydrogen ions?

A. 1.0 B. 4.5 C. 7.0 D. 9.1 E. 11.5

Biology & Microbiology