Q. Streptomycin resistance in tobacco was introduced through somatic hybridization with:

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#Question id: 37987

#Plant Biotechnology

Statement I: Endomitosis is a cellular process where haploid cells duplicate their chromosomes without undergoing nuclear division, resulting in the formation of diploid cells.

Statement II: In plant tissue culture, this process is primarily utilized to generate highly heterozygous plants for hybrid vigor.

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#Question id: 37988

#Plant Biotechnology

Consider the following steps regarding the production of diploid plants via endomitosis as described in the text:

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#Question id: 37989

#Plant Biotechnology

Assertion (A): Plants regenerated from stem segment-derived callus on auxin-cytokinin medium can be diploid and homozygous.

Reason (R): The presence of auxin and cytokinin prevents chromosome duplication during the cell cycle.

In the light of the above statements, choose the correct answer from the options given below:

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#Question id: 37990

#Plant Biotechnology

Who is credited with the first successful report of gynogenesis, and in which crop was it achieved?

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#Question id: 37991

#Plant Biotechnology

In the context of ovary culture for haploid production, what is the ideal developmental stage for collecting flower buds? 

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#Question id: 37992

#Plant Biotechnology

Gynogenesis is considered a significant alternative to androgenesis (anther culture) specifically in cases where: