Two varieties of maize averaging 50 and 20 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 35 inches in height. Out Of the 16 F2 plants, the 5 are 35 inches. What is the probable number of independent segregating polygenes involved in this trait?

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#Question id: 27510

#Unit 2. Cellular Organization

As the time passes during the nucleosome assembly then, which of the following fig. is correctly representing the different state of circular DNA

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#Question id: 10366

#Unit 6. System Physiology – Plant

Cyanobacteria can fixes nitrogen in an anaerobic conditions. Which of the following statements about heterocyst which is specialized cell of blue-green algae is incorrect?

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#Question id: 11556

#Unit 7. System Physiology – Animal

During mammalian labor and delivery, the contraction of uterine muscles is enhanced by oxytocin. This is an example of ________.

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#Question id: 10884

#Unit 10. Ecological Principles

Herbivore ingests plant material with 1000 k j energy form producer and 300 kJ loss as feces waste; additionally herbivore invests 300 k j energy in respiration. What is production efficiency of that herbivore?

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#Question id: 3877

#Unit 3. Fundamental Processes

Differential RNA processing may result in: