Chromosome Mutations

KA6b chromosome mutations

Katie Paget

Multiple Choice

A mutation is defined as:

• A change in the cell's structure

• Anything that changes in an embryo

• Any change in the physical features of a human

• A change in the DNA sequence

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A mutation in which only one nucleotide is altered is called a:

• Frameshift Mutation

• Deletion Mutation

• Point Mutation

• Insertion Mutation

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A substitution mutation that has no effect

on amino acids sequence

• Insertion Mutation

• Translocation

• Silent Mutation

• Deletion Mutation

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A nucleotide base is inserted or deleted shifting the entire DNA sequence. Entire protein will be changed.

• Substitution Mutation

• Silent Mutation

• Frameshift Mutation

• Translocation

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A frameshift mutation where a nucleotide base

is removed from the DNA sequence.

• Deletion Mutation

• Substitution Mutation

• Translocation

• Silent Mutation

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Part of a chromosome is reversed.

• Inversion Mutation

• Deletion Mutation

• Translocation

• Point Mutation

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Part of a chromosome is repeated

• Gene Mutation

• Point Mutation

• Deletion Mutation

• Duplication Mutation

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Part of one chromosome is transported and attached

to a non-homologous chromosome

• Inversion Mutation

• Translocation Mutation

• Duplication Mutation

• Point Mutation

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Condition caused by nondisjunction at pair 21 during meiosis.

Individuals have an extra chromosome

at pair 21, or a total of 47 chromosomes.

Also called Trisomy 21.

• Cystic Fibrosis

• Translocation

• Hemophilia

• Down Syndrome