In a certain population, 40 of every 1,000 births results in an individual that suffers from cystic

fibrosis. What is the allele frequency for the recessive allele that causes cystic fibrosis?
a. 0.004
b. 0.02
c. 0.2
d. 0.4
e. 0.8


C

Biology & Microbiology

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Which of the following allows more than one type of protein to be produced from one gene?

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The hyphae of basidiomycetes:

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What bridges the gap between a neuron sending a message and the neuron receiving it?

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Which one of the following genetically engineered vaccines is presently on the market?

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