A biologist discovers a new unicellullar organism that possesses more than two flagella and two small, but equal-sized, nuclei. The organism has reduced

mitochondria (mitosomes), no chloroplasts, and is anaerobic. To which clade does this organism probably belong?

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#Question id: 28165

#Unit 13. Methods in Biology

Q. Arrange the steps of cloning and selection in YAC vector

a. BamHI digestion creates linear chromosome with telomeric ends.

b. Transformation

c. EcoRI digestion creates two arms, each with a selectable marker (X or Y).

d. Selection on the basis of marker

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#Question id: 19190

#Unit 13. Methods in Biology

Emulsion or droplet PCR is another modification of PCR. Which of the statement holds true?

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#Question id: 11338

#Unit 10. Ecological Principles

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

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#Question id: 12910

#Unit 13. Methods in Biology

Match the following:

A. RNA analysis               i. Sexing or cell mutation sites               a. Expressed Sequence tag

B. Forensic science           ii. mRNA analysis                                     b.  Analysis of DNA from blood

C. Gene discovery              iii. DNA profiling                                       c. Active latent viral infections

D. Single-cell analysis     iv.  RT–PCR                                             d. Sex determination of unborn

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#Question id: 3518

#Unit 8. Inheritance Biology

Assume that the trihybrid cross AA BB rr X aa bb RR is made in a plant species in which A and B are dominant but there is incomplete dominance between R and r. Consider the F2 progeny from this cross, and assume independent assortment. The phenotypes appear in this F2 progeny?