NEET Previous Year Question
Anaphase Promoting Complex (APC) is a 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?
Topic: NEET PYQ
Answer: B. Full step-by-step solution below.
- AChromosomes will be fragmented
- BChromosomes will not segregate
- CRecombination of chromosome arms will occur
- DChromosomes will not condense
Correct answer: B
Solution
(b) The Anaphase Promoting Complex (APC) is required for the transition from metaphase to anaphase. It promotes separation of sister chromatids. If APC is defective, sister chromatids cannot separate and chromosomes will not segregate to opposite poles.More Cell Cycle & Cell Division PYQs
- During which phase(s) of cell cycle, the amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?
- Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their cen…
- In meiosis crossing over is initiated at:
- Which of the following is not characteristic feature during mitosis in somatic cells?
- Which stage of meiosis can last for months or years in the oocytes of some verterbrates?