Multiple effects of a single gene is

a. expressivity.
b. penetrance.
c. codominance.
d. pleiotropy.
e. multiple alleles


D

Biology & Microbiology

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The observation that all races of humans have the same FOXP2 allele is evidence that favored this allele.

A. independent assortment B. natural selection C. random chance D. recombination E. artificial selection

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Ted heats some food just to boiling, and stores some of it immediately in a container which he places in the refrigerator. A week later he takes the food out and finds it has spoiled. The microbes responsible are probably

A) thermoduric. B) thermophiles. C) mesophiles. D) hyperthermophiles. E) psychrophiles.

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Transgenic organisms

A) contain cells from other organisms. B) contain genetically engineered microbes. C) are the same as clones. D) contain genes from other organisms. E) have genomes that have been sequenced completely.

Biology & Microbiology