Question

10. 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

New species are formed if DNA undergoes significant changes in germ cells and chromosome no. changes in the gamete. (a) i and ii