The average of three numbers is 52 the first is half of second and the second is twice the third the difference between the second and first number is 

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#Question id: 7084

#Unit 5. Developmental Biology

In mammals, If the cells have two X chromosomes and no Y chromosome, Inheritance of two X chromosomes causes transforming the bipotential gonad into an ovary by the activation of:

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#Question id: 7085

#Unit 5. Developmental Biology

Experiments by Pieter Nieuwkoop and Osamu Nakamura showed that the organizer receives its special properties from signals coming from the:

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#Question id: 7086

#Unit 5. Developmental Biology

In mammalian development, Only trophoblast cells synthesize the transcription factor Cdx2, which:

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#Question id: 7087

#Unit 5. Developmental Biology

In case of xenopus laevis which cells make up the Niuewkoop center?

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#Question id: 7088

#Unit 5. Developmental Biology

The homolog of GSK-3 in Drosophila is:

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#Question id: 7089

#Unit 5. Developmental Biology

The ecdysozoans are: