Darwin analogized the effects of evolution as the above-ground portion of a many-branched tree, with extant species being the tips of the twigs. The common ancestor of two species is most analogous to which anatomical tree part?

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#Question id: 12959

#XL - R Botany

Ozone layer depletion, since the 1970s, is primarily

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#Question id: 13023

#XL - S Microbiology

Which of the following enzymes are required for end labelling?

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#Question id: 13024

#XL - S Microbiology

Inset and the vector can be ligated if they are digested by a pair of –

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#Question id: 13025

#XL - S Microbiology

Which enzyme is used for homopolymer tailing?

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#Question id: 13026

#XL - S Microbiology

A blunt ended insert can not be ligated with a blunt ended vector by means of which of the followings:-

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#Question id: 13027

#XL - S Microbiology

Which of the following genes in the T-DNA doesn’t help in the proliferation of the crown gall disease in the plants mediated by Agrobacterium ?