In a certain population, the allele causing sickle cell anemia has an allele frequency of 0.2. If the population is in

genetic equilibrium for this allele, what fraction of the population would be carriers for the allele (heterozygous
individuals)?
a. 0.24
b. 0.32
c. 0.42
d. 0.48
e. 0.80


b

Biology & Microbiology

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Complete androgen insensitivity causes XY males to become phenotypic females

a. True b. False

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Neurotransmitters like acetylcholine 

A. are manufactured in the synapse. B. permanently attach to neuronal membranes. C. are always present in the synapse. D. stimulate neurons.

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Please place the following events in transcription in the correct order.

A.) RNA polymerase binds to the promoter region just upstream of the gene. B.) RNA polymerase moves along the template strand of DNA adding complementary RNA nucleotides, extending the mRNA. C.) RNA polymerase unwinds the DNA at the promoter site and begins to transcribe the template strand of DNA. D.) The mRNA transcript is released. E.) Transcription continues until a terminator site in the DNA is reached.

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Transcribe and then translate the following DNA code: AATCGGTTCCATCGG

What will be an ideal response?

Biology & Microbiology