Question

Select the statement that describes the characteristics of genes.

(1) Proteins are never coded by DNA.

(2) Self-replicating materials are present in all living organisms as the main constituent of their genetic material.

(3) In an individual of a particular species, a specific gene is located on a particular chromosome.

(4) One chromosome can code one protein.

• A. 1&2
• B. 3&4
• C. 4&1
• D. 2&3

Answer 1

The correct option is D

2&3

Genes are specific sequences of bases in a DNA molecule. It is a self-replicating material, which is present in nearly all living organisms as the main constituent of chromosomes. A gene can code for a specific character of an individual. In an individual of a given species, a specific gene is located on a particular chromosome.