Change in the allele frequency due to chance alone is known as

A. inbreeding.
B. genetic drift.
C. founder effect.
D. bottlenecks.
E. gene flow.


Answer: B

Biology & Microbiology

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A dichotomous dependent variable is a variable that:

A. cannot be used to identify causal effects. B. can take on just two values, typically recorded as 0 and 1. C. requires that you use OLS to estimate any determining function. D. leads to biased estimates of the coefficient of interest.

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Uniparental disomy results when a child inherits

A) two recessive alleles for the same gene, one from each parent. B) two alleles for the same gene from one parent. C) one recessive allele from one parent. D) more than two alleles for the same gene from one parent.

Biology & Microbiology

Carbon can form ________ covalent bonds

A) single B) double C) triple D) single and double E) single, double, and triple

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The hardening of the arteries is known as ____

a. arteriosclerosis b. atherosclerosis c. high cholesterol d. a heart attack e. angioplasty

Biology & Microbiology