Chromosomal Mutations Quiz

What is a deletion mutation?

• A mutation that changes a single nucleotide in the DNA sequence

• A mutation that causes the DNA sequence to become longer

• A type of mutation in which a part of the DNA sequence is lost or deleted

• A mutation that duplicates a part of the DNA sequence

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NGSS.HS-LS3-2

Which type of mutation involves the addition of extra nucleotides into the DNA sequence?

• Insertion mutation

• Frame-shift mutation

• Substitution mutation

• Deletion mutation

What is the result of duplication mutations?

• Loss of genetic material

• Extra copies of a gene or genes

• No change in the genetic material

• Mutation in a non-coding region

In which type of mutation, a segment of the chromosome is reversed end to end?

• Insertion

• Inversion

• Duplication

• Deletion

What is translocation mutation?

• A type of chromosomal mutation where a piece of one chromosome breaks off and attaches to another chromosome.

• A type of mutation that causes a change in the number of chromosomes

• A type of mutation that only affects the DNA in the mitochondria

• A type of mutation that results in the duplication of a segment of DNA

What is the impact of deletion mutations on the genetic code?

• It causes a shift in the reading frame of the genetic code

• It causes the genetic code to become more stable

• It has no impact on the genetic code

• It leads to increased genetic diversity

What is the difference between insertion and duplication mutations?

• Insertion mutation involves replacing nucleotides, while duplication mutation involves translocating a section of DNA.

• Insertion mutation involves adding extra nucleotides, while duplication mutation involves replicating a section of DNA.

• Insertion mutation involves changing the order of nucleotides, while duplication mutation involves deleting a section of DNA.

• Insertion mutation involves removing nucleotides, while duplication mutation involves adding extra nucleotides.

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NGSS.HS-LS3-2

How do inversion mutations affect the genetic code?

• They duplicate a segment of the genetic code.

• They have no effect on the genetic code.

• They delete a segment of the genetic code.

• They reverse the orientation of a segment of the genetic code.

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NGSS.HS-LS3-2

Give an example of a genetic disorder caused by translocation mutation.

• Huntington's disease

• Cystic fibrosis

• Sickle cell anemia

• Chronic myelogenous leukemia (CML)

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NGSS.HS-LS3-2

Explain the concept of frameshift mutation in the context of chromosomal mutations.

• Frameshift mutation is the duplication of nucleotides in a DNA sequence, causing a repetition of the reading frame and leading to a longer amino acid sequence.

• Frameshift mutation is the inversion of nucleotides in a DNA sequence, causing a reversal of the reading frame and leading to a mirrored amino acid sequence.

• Frameshift mutation is the substitution of nucleotides in a DNA sequence, causing a change in the reading frame and leading to a different amino acid sequence.

• Frameshift mutation is the addition or deletion of nucleotides in a DNA sequence, causing a shift in the reading frame and leading to a different amino acid sequence.

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NGSS.HS-LS3-2