Unit 5 Vocabulary: Mutations

Match the vocab word with its corresponding definition:

• a change in a single nucleotide

• point mutation

• movement of a chromosomal segment to a new position

• mutations

• changes in the DNA sequence

• frameshift mutation

• agents in the environment that can change DNA

• translocation

• insertion or deletion of nucleotides

• mutagens

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NGSS.HS-LS3-2

Examples of mutagens include

• UV light

• X rays

• smoke

• pure water

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NGSS.HS-LS3-2

Which are examples of point mutations?

• AGG instead of AUG

• ATT instead of CAT

• CCC instead of CAC

• ATC instead of CTA

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NGSS.HS-LS3-2

What causes a frameshift mutation?

• A frameshift mutation is caused by a substitution of nucleotides in a DNA sequence.
• A frameshift mutation is caused by a deletion of the entire DNA sequence.
• A frameshift mutation is caused by a duplication of nucleotides in a DNA sequence.
• A frameshift mutation is caused by the insertion or deletion of nucleotides in a DNA sequence.

Tags

NGSS.HS-LS3-2

What is the impact of a frameshift mutation on protein synthesis?

• A frameshift mutation does not affect protein synthesis.

• A frameshift mutation can lead to the synthesis of a completely different protein.

• A frameshift mutation only affects the synthesis of proteins in the mitochondria.

• A frameshift mutation causes the synthesis of a larger protein.

Tags

NGSS.HS-LS3-2

What is the cause of sickle cell disease?

• Mutation in the α-globin gene

• Mutation in the γ-globin gene

• Mutation in the δ-globin gene

• Point mutation in the β-globin gene

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NGSS.HS-LS3-2

The mutation results in the substitution of the amino acid ___ for glutamic acid in the β-globin chain.

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NGSS.HS-LS1-1

NGSS.HS-LS3-2

Silent mutations are mutations in DNA that do not have an observable effect on the organism's phenotype. Which statement supports this definition of silent mutations?

• Mutations in DNA that only affect the organism's genotype
• Mutations in DNA that cause immediate death in the organism
• Mutations in DNA that do not have an observable effect on the organism's phenotype
• Mutations in DNA that always have a negative effect on the organism's phenotype

Tags

NGSS.HS-LS3-2