Question

Select the statements that describe characteristics of genes

1. genes are specific sequence of bases in a DNA molecule
2. a gene does not code for proteins
3. in individuals of a given species, a specific gene is located on a particular chromosome
4. each chromosome has only one gene

Options

• (i) and (ii)

• (i) and (iii)

• (i) and (iv)

• (ii) and (iv)

Answer 1

(i) and (iii)

Explanation - 

A gene is a segment of DNA that codes for a protein. An organism has a number of genes present on the different chromosomes and each occupies a specific location of a particular chromosome. So, out of given four statements, statements (i) and (iii) are the characteristics of genes.