There are two classes A and B consisting of 40 and 52 student respectively . If the average of weight of class A is 45kg and that of class B is 40kg.Find the average of weight of all the student of class A and B.

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#Question id: 6959

#XL - T Zoology

Which of the following is NOT involved in left-right asymmetry of vertebrates?

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#Question id: 6960

#XL - T Zoology

At the blastocyst stage during mammalian embryonic development, the specification of trophectoderm requires ________; whereas in inner cell mass _________activation is essential.

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#Question id: 6961

#XL - T Zoology

Do HOX genes play a role in the development of C. elegans?

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#Question id: 6962

#XL - T Zoology

In which way is the organizer region of the sea urchin similar to that in frogs?

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#Question id: 6964

#XL - T Zoology

If embryos are disaggregated with chemicals or proteases, and the individual cells are mixed together in culture, what will happen?

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#Question id: 6965

#XL - T Zoology

what type of cleavage is used in frog embryos?