New species may be formed if
(i) DNA undergoes significant changes in germ cells
(ii) chromosome number changes in the gamete
(iii) chromosome number remains the same
(iv) mating does not take place
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii), (iii) and (iv)
(d) (i), (ii) and (iv)

NCERT Class X
Science - Exemplar Problems

Chapter_SAMPLE QUESTION PAPER-I

2

Answers

2015-06-01T22:30:57+05:30
(c) (ii), (iii) and (iv) is the answer...
0
2015-06-01T22:53:50+05:30