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Genetics Test Bank Questions And Answers
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For X-linked recessive disorder, if 1 in 10,000 male has hemophilia A, the allele frequency for the hemophilia gene will be ~ 1/10000 In a population in Hardy-Weinberg equilibrium, the frequency of the allele for Hartnup disease is 0.008. What is the percentage of the population that is h...

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  • August 8, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • genetics test bank questions and answers

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  • Genetic Cancer Risk
  • Genetic Cancer Risk

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Genetics Test Bank Questions
And Answers

The activity of DNA polymerases that remove incorrectly incorporated

nucleotides is called:


✓~ proofreading repair




AP repair acts on nucleotides that:


✓~ lost their base




Which of the following chemicals is a base analog?


✓~ 5-bromouracil




Over a wide range of X-ray doses, when the radiation dose is increased, the

mutation rate


✓~ increases linearly




(T to C) or (A to G) mutations are:

, ✓~ transition mutations




Base substitutions that create a new stop codon are called:


✓~ nonsense mutations




(T to A) or (G to T) mutations are:


✓~ transversion mutations




Mutations that change the nucleotide sequence without changing the amino acid

sequence are:


✓~ silent mutations




A test for carcinogens and mutagens that looks for an increased reversion

frequency in a His- strain of bacteria is called the:


✓~ AMES test




Ultraviolet light primarily damages DNA by:


✓~ forming pyrimidine dimers

, Which of the following is only found in prokaryotes?


✓~ Polycistronic mRNA




Which of the following is true regarding RNA processing?


✓~ It occurs in the nucleus




Which of the following features is common to both DNA replication and

transcription?


✓~ A sugar-phosphate bond is formed between the 3' hydroxyl and the 5'

phosphate




All of the following may result from promoter mutations except:


✓~ Mutant RNA polymerase




Which of the following is characteristic of prokaryotic mRNA?


✓~ A short half-life




Introns with primary eukaryotic transcripts:

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