Two varieties of maize averaging 25 and 125 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 75 inches in height. Of the 500 F2 plants, the Shortest 2 is 25 inches and the tallest 2 are 125 inches. What will be number phenotype observe in F2 progeny and number of polygene contribute for that character respectively?

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#Question id: 14689

#Unit 13. Methods in Biology

A determinant is chosen at random from the set of all determinants of order 2 with elements 0 or 1 only. The probability that value of the determinant chosen is

positive is

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#Question id: 27968

#Unit 1. Molecules and their Interaction Relevant to Biology

As intermediates of the citric acid cycle are removed to serve as biosynthetic precursors, they are replenished by

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#Question id: 28283

#Unit 5. Developmental Biology

Following statements are related to fast block to polyspermy, which statement is incorrect?

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#Question id: 126

#Unit 1. Molecules and their Interaction Relevant to Biology

Which statement is false about lipid rafts?

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#Question id: 2141

#Unit 2. Cellular Organization

Facilitated diffusion through a biological membrane is: