Which one of the following statements with regard to embryonic development in humans is correct?

Cleavage divisions bring about considerable increase in the mass of protoplasm

In the second cleavage division, one of the two blastomeres usually divides a little sooner than the second

With more cleavage divisions, the resultant blastomeres become larger and large

Cleavage division results in a hollow ball of cells called morula

Solution

Cleavage division results in a hollow ball of cells called morula

During the embryonic development in humans, cleavage division results in a hollow ball of cells called morula. Solid mass of 32 cells formed from zygote after successive mitotic division (after 3rd division of cleavage) is called morula.

Some More Questions From Human Reproduction Chapter

The process of differentiation of spermatid into a spermatozoa is known as :

Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces :

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Human Reproduction

Some More Questions From Human Reproduction Chapter

The process of differentiation of spermatid into a spermatozoa is known as :

Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces :

Ovulation takes place :

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

The male reproductive system is located in the body, in the :

Sertoli cells provide :

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

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