The F2 progeny from a particular cross exhibit a modified dihybrid ratio of 9 : 7 (instead of 9 : 3 : 3 : 1). What phenotypic ratio would be expected from a testcross of the F1?

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#Question id: 7079

#Unit 5. Developmental Biology

In xenopus, In what conditions b-catenin on target gene expression without wnt protein?

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#Question id: 7461

#General Aptitude

How many times do the hands of a clock right angle in a day ?

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#Question id: 1708

#Unit 4. Cell Communication and Cell Signaling

When antigen reaches a lymph node in a primed animal:

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#Question id: 24498

#Unit 3. Fundamental Processes

SR proteins are involved in exon definition in which they interact with U1 and U2AF forming the commitment for

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#Question id: 14781

#Unit 13. Methods in Biology

A pack of cards contains 4 aces, 4 queens and 4 jacks. Two cards are drawn at random. The probability that at least one of them is an ace is