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Question: Answered & Verified by Expert
Which one of the following statements about morula in humans is correct?
BiologyHuman ReproductionNEET
Options:
  • A It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA.
  • B It has far less cytoplasm as well as less DNA than in an uncleaved zygote.
  • C It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote.
  • D It has more cytoplasm and more DNA than an uncleaved zygote.
Solution:
2780 Upvotes Verified Answer
The correct answer is: It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA.
Cleavage divisions are mitotic division, in which the single-celled zygote is connected into a multicellular morula. But during cleavage division, there is no growth of resultant daughter cell/blastomeres. So, the DNA content will increase, but there is no increase or insignificant increase in the amount of protoplasm.

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