Sertoli cells
Correct answer D. Both a and b
Tip: press A, B, C or D to answer, and N for the next question.
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See allExample of ovoviviparous
Correct answer C. Duckbill platypus
Viviparous animals are those in which
Correct answer B. Internal fertilization with internal development inside female body
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Which characteristic is not of identical twins?
Correct answer B. Have different genetic makeup
In cloning, nucleus is introduced into
Correct answer B. Egg cell
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