Question

What is true about cleavage in the fertilised egg in humans?

• A. It starts while the egg is in Fallopian tube
• B. It starts when the egg reaches uterus
• C. It is meroblastic
• D. It is identical to the normal mitosis

Answer 1

Answer: (A)

Cleavage in the fertilised egg starts in the Fallopian tube. It is holoblastic. There is no growth phase, so it differs from mitosis.