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#Question id: 8908


According to one hypothesis, the jaws of vertebrates were derived by the modification of

#Unit 9. Diversity of Life Forms
  1. scales of the lower lip.
  2. skeletal rods that had supported pharyngeal (gill) slits.
  3. one or more gill slits.
  4. one or more of the bones of the cranium.

Answer:- Option(s): 2


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#Unit 5. Developmental Biology

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#Unit 8. Inheritance Biology

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#Question id: 5688

#Unit 8. Inheritance Biology

Which of the following are not cause of aneuploidy

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#Question id: 5689

#Unit 8. Inheritance Biology

What kind of aneuploidy gamete will be generated if meiotic nondisjuction in second division (n represent haploid number of chromosome )

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#Question id: 5690

#Unit 8. Inheritance Biology

Species I is diploid (2n =4) with chromosomes AABB; related species II is diploid (2n = 6) with chromosomes MMNNOO .Which of the following chromosome  in allotriploid individuals?

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#Question id: 5692

#Unit 8. Inheritance Biology

Aneuploids can be produced several ways except

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