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

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

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