Two strain of Neurospora crassa , one mutant for gene a , other mutant for gene b , are crossed ,result are shown below

Percent of asci	1+2	3+4	5+6	7+8
77	aB	aB	Ab	Ab
15	aB	AB	ab	Ab
7	aB	ab	AB	Ab
1	aB	Ab	aB	Ab

A and B gene located at

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#Question id: 15713

#Unit 13. Advances in Biotechnology

A relatively ______ concentration of auxin favours cell proliferation and root differentiation while _______levels of cytokinin promote bud differentiation.

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#Question id: 15714

#Unit 13. Advances in Biotechnology

Which component in the medium is reported to counteract the inhibitory effect of auxin and promotes bud formation in the absence of cytokinin.

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#Question id: 15715

#Unit 13. Advances in Biotechnology

In embryogenesis a type of structure with no vascular connection with the maternal callus tissue or explants is formed

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#Question id: 15716

#Unit 9. Evolution & Diversity of Life Forms

Evolutionary biology extends and amplifies the explanation of biological phenomena. It complements studies of the proximate causes (immediate, mechanical causes) of biological phenomena If we ask what causes a male bird to sing, the proximate causes include the action of testosterone or other hormones

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#Question id: 15717

#Unit 9. Evolution & Diversity of Life Forms

 In The Origin of Species, Darwin propounded two major hypotheses:

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#Question id: 15718

#Unit 9. Evolution & Diversity of Life Forms

Christians interpreted the biblical account of Genesis literally and concluded that each species had been created individually by God in the same form it has today. This belief is known as