Genetics Mutation - Questions & Answers | Exam2Win

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16. Mutation is defined as

A. An inheritable change

B. A sudden change in the structure of the gene

C. Any change during cell division

D. A change occurring during embryogeny

Explanation:

17. Mutations which occurs in base pairs of DNA are called

A. Gene mutations

B. Point mutations

C. Gross mutations

D. Both 1 and 2

Explanation:

18. Who first reported mutation by chemical substances

A. Thom and Stinberg

B. Thom and Altenburg

C. Thom and Morgan

D. Stinberg and Altenburg

Explanation:

19. The term transversion means the

A. Purine is replaced by a pyrimidine

B. Pyrimidine is replaced by a purine

C. Purine is replaced by a phosphate molecule

D. Both 1 and 2

Explanation:

20. Ionizing radiation is spoken of as

A. Particulate radiation

B. Electromagnetic radiation

C. Particulate and electromagnetic radiation

D. Cosmic radiation

Explanation:

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