Read the following statements:
$(a)$ Complete disintegration of the nuclear envelope marks the start of the second phase of mitosis.
$(b)$ Metaphase chromosome is made up of one sister chromatid.
$(a)$ Complete disintegration of the nuclear envelope marks the start of the second phase of mitosis.
$(b)$ Metaphase chromosome is made up of one sister chromatid.
- AOnly $(b)$ is correct
- BBoth $(a) \& (b)$ are incorrect
- COnly $(a)$ is correct
- DBoth $(a) \& (b)$ are correct
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