NEET-XII-Biology

Previous Year Paper year:2017

with Solutions - page 3
  • #78
    Anaphase Promoting Complex (APC) is protein degradation machinery necessary for proper mitosis of animal
    cells. If APC is defective in a human cell, which of the following is expected to occur ?
    (1) Recombination of chromosome arms will occur
    (2) Chromosomes will not condense
    (3) Chromosomes will be fragmented
    (4) Chromosomes will not segregate
    digAnsr:   4
    Ans : (4)
    Sol. Separase enzyme is a part of APC (Anaphase promoting complex) that degrades cohesion protein, separating
    the two chromatids. It APC is defective, the chromatids will not separate.