Mutations and Variability

Practice Questions

GRE Subject Test: Biology › Mutations and Variability

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1

Which type of mutation creates a premature stop codon in the mRNA?

2

Which type of mutation creates a premature stop codon in the mRNA?

3

Sickle cell anemia is a disorder caused by the alteration of one amino acid in hemoglobin. Based on this, what kind of mutation causes sickle cell anemia?

4

Which of the following is most accurate about single nucleotide polymorphisms (SNPs)?

5

What term best describes when one species exhibits two or more defined phenotypes within the same population?

6

What term best describes when one species exhibits two or more defined phenotypes within the same population?

7

Which of the following is most accurate about single nucleotide polymorphisms (SNPs)?

8

Sickle cell anemia is a disorder caused by the alteration of one amino acid in hemoglobin. Based on this, what kind of mutation causes sickle cell anemia?

9

What is the major difference between synonymous and non-synonymous substitutions?

10

A __________ mutation always results in the ribosome encountering a premature stop codon.

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