Read the following statements, and select the correct option :
Statement (A) : Complete disintegration of nuclear envelope marks the starts of the second phase of mitosis.
Statement (B) : Metaphase chromosome is made up of two sister chromatids.

• A

  Only (A) is correct

• B

  Only (B) is correct

• C

  Both (A) and (B) are correct

• D

  Both (A) and (B) are incorrect