Question

Which one is correct about S-phase (synthetic phase)?

I. It occurs between G₁ and G₂

II. It marks the period during which DNA relicates

III. At the end of this phase DNA is doubled but the number of chromosomes remains unchanged

IV. As the DNA is doubled in this phase number of chromosomes is also doubled

V. Centrioles replicate in this phase

VI. Amount of DNA changes from 2C to 4C

VII. It is pre G₂ and post G₁ phase

• A. I, II, IV, V, VI, VII are correct
• B. I, II, III, V, VI, VII are correct
• C. All are correct
• D. Only IV is correct

Answer 1

Answer: (B)

I, II, III, V, VI, VII are correct