In a certain population, the frequency of a dominant allele is represented by p = 0.7, and the frequency of the recessive allele is represented by 0.3. What is the frequency of the heterozygous genotype?
A. 1
B. 0.42
C. 0.5
D. 0.01
Answer: B
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The structure labeled "F" is the ____
a. right ventricle b. left atrium c. left ventricle d. right atrium e. superior vena cava
Speciation _____
A) occurs at such a slow pace that no one has ever observed the emergence of new species B) occurs only by the accumulation of small genetic changes over vast expanses of time C) must begin with the geographic isolation of a small, frontier population D) can involve changes to a single gene
In mosses, the capsule produces the
A. seeds. B. spores. C. pollen. D. zygote.
A potential drug for the treatment of prion disease would be
a. a protease because prions are made only of protein. b. a ribonuclease because prions are made only of nucleic acid. c. a nucleoside inhibitor to prevent formation of new nucleotides. d. none of the above.