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4 June, 17:16

Name: Victor

Correaso

431f5509 - Page 2

DNA & Protein Synthesis Review

1) Which one of the following phrases best describes a gene?

A) a segment of a DNA molecule found only in the body cells of an organism

B) a segment of a DNA molecule that contains the instructions for producing all the characteristics of an

organism

C) a segment of a DNA molecule found only in the gametes of an organism

D) a segment of a DNA molecule that contains the instructions for producing a trait in an organism

2 The processes of deletion, insertion, and substitution can alter genes in a skin cell. The altered genes will

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Answers (1)
  1. 4 June, 19:32
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    Answer: D) a segment of a DNA molecule that contains the instructions for producing a trait in an organism

    Explanation: A gene is a DNA segment which contains the information needed in producing a protein or an RNA molecule. The protein coded for by a gene is responsible for controlling a particular trait in an organism. Usually one gene codes for one protein and one protein controls one trait in an organism. A gene is a unit of hereditary.
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