Question

New species may be formed if

(i) DNA undergoes significant changes in germ cells

(ii) chromosome number changes in the gamete

(iii) there is no change in the genetic material

(iv) mating does not take place

(a) (i) and (ii)

(b) (i) and (iii)

(c) (ii), (iii) and (iv)

(d) (i), (ii) and (iii)

Answer 1

The correct option is:(a) (i) and (ii)

Explanation:

New species can be formed if there is a considerable change in the genetic makeup of an organism. This change can be a significant change in the DNA of germ cells or changes in the number of chromosomes.