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: 12933

#SCPH01 Biochemistry

Choose the correct order for the cloning process.

1. The production of cDNA is carried out using an enzyme termed Reverse transcriptase.

2. mRNA cannot be used directly in cloning.

3. It is possible to synthesis complementary DNA molecule to all the mRNA from the selected tissue.

4. The cDNA may be inserted into vectors and then cloned.

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#Question id: 4949

#SCPH06 I Botany

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?

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#Question id: 1724

#I Life Science/ Life Sciences Group – I-V

Which of the following statements is the single best defining characteristic of a follicular dendritic cell (FDC)?

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#Question id: 6991

#SCPH28 | Zoology

Metamorphosis of amphibians is triggered by environmental cues that act on the:

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#Question id: 15630

#SCPH05 I Biotechnology

Which of the following  are the part of heuristic algorithm in multiple sequence alignment?