Skin color is coded for by several different genes which results in a range of skin colors from very dark to very light. This is an example of

a. polygenic inheritance
b. multifactorial trait.
c. pleiotropy.
d. incomplete dominance


Answer: a. polygenic inheritance

Biology & Microbiology

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Different alleles that are both expressed in a heterozygote are

A) dominant. B) codominant. C) incompletely dominant. D) homozygous dominant.

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Which structure would be expected in normal eye cells but not in normal heart cells?

A) the protein rhodopsin B) light-detecting mitochondria C) the protein troponin D) genes for the production of rhodopsin

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Your research team has been asked to quantify levels of cellular RNAs in rats before and after exercise. The primary focus of your work will be to analyze the

A. transcriptome. B. nucleosome. C. proteome. D. spliceosome. E. different RNA motifs.

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Protons and neutrons make up the atom's central core referred to as its ________.

Fill in the blank(s) with the appropriate word(s).

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