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What is true about cleavage in fertilized egg of humans?

1. Meroblastic
2. Starts when egg reaches uterus
3. Starts in fallopian tube
4. It is identical to normal mitosis

Correct answer: Starts in fallopian tube

Solution

In humans, cleavage begins in the fallopian tube shortly after fertilization, as the zygote starts rapid mitotic divisions during its journey to the uterus. It does not wait until the egg reaches the uterus.

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