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#Question id: 5542


One stage of cleavage is the morula stage which is:

#Unit 5. Developmental Biology
  1. An embryo with 4 cells

  2. An embryo with a darkly pigmented vegetal hemisphere

  3. A collection of 16-32 cells resembling a raspberry

  4. A group of cells that do not undergo DNA replication


Answer:- Option(s): 3


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#Question id: 6968

#Unit 5. Developmental Biology

In Xenopus, the mesoderm moves in through the blastopore by rolling around the dorsal lip in a process called:

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#Question id: 6969

#Unit 5. Developmental Biology

In Xenopus, the elongation of the mesoderm toward the anterior results from the intercalation of cells during a process called:

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#Question id: 6970

#Unit 5. Developmental Biology

Neural crest cells will become:

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#Question id: 6971

#Unit 5. Developmental Biology

Neural crest cells taking the dorso-lateral route will become:

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#Question id: 6972

#Unit 5. Developmental Biology

Sodium ions influx and passive water movement result in fluid-filled blastocoel in __________embryos.

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#Question id: 6973

#Unit 5. Developmental Biology

Which of the following cells would be considered differentiated?

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