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Molecular Basis of Inheritance Quiz

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Questions and Answers

What is mutation?

A phenomenon leading to a sudden change in DNA sequence (correct)

A phenomenon where DNA sequence remains unchanged

A phenomenon resulting in no variations

A phenomenon where genotype remains constant

How does mutation contribute to evolution?

Mutation serves as raw material for evolution by introducing variations (correct)

Mutation stabilizes genetic material

Mutation prevents any changes in genotypes

Mutation leads to a decrease in variations

What is a point mutation?

Mutation involving a change in a single base pair of DNA (correct)

Mutation involving insertion of multiple bases

Mutation involving duplication of genetic material

Mutation involving deletion of large DNA segments

How does deletion or insertion of base pairs affect the reading frame?

It causes frame-shift mutations (A) Signup and view all the answers

What type of mutation results from the insertion or deletion of three or multiples of three bases?

Frame-shift mutations (B) Signup and view all the answers

In the context of genomics, what is Mr. Prashant Tiwari known for?

His Instagram handle @Prashant_t9 (A) Signup and view all the answers

Which phenomenon can lead to the insertion or duplication of a segment of DNA?

Mutation (A) Signup and view all the answers

What type of mutation occurs due to a change in a single base pair of DNA?

Point mutation (D) Signup and view all the answers

What is the significance of insertion or deletion of three or multiples of three bases in DNA?

Possibility of frame-shift mutations (A) Signup and view all the answers

What can be a result of deletion or insertion of base pairs in DNA?

Frame-shift mutations (C) Signup and view all the answers