New species may be formed,if $......\,.$
$(i)$ $DNA$ undergoes significant changes in germ cells.
$(ii)$ there is no change in the genetic material.
$(iii)$ mating does not take place.

  • A
    $(i)$ and $(ii)$
  • B
    $(i)$ and $(iii)$
  • C
    $(ii)$ and $(iii)$
  • D
    $(i)$,$(ii)$ and $(iii)$

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Similar Questions

In human males,all the chromosomes are paired perfectly except one. These unpaired chromosomes are:
$(i)$ Large chromosome
$(ii)$ Small chromosome
$(iii)$ $Y$-chromosome
$(iv)$ $X$-chromosome

From the list given below,select the character which can be acquired but not inherited.

In human males and females, how many pairs of chromosomes are identical?

Explain the following:
$(a)$ Speciation
$(b)$ Natural Selection

Which of the following statements regarding tall and dwarf pea plants is incorrect based on their genetic constitution?

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