After culturing the anther of a plant,a few d | vedclass

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(B) In anther culture,haploid plants are typically produced from the microspores (pollen grains). However,if diploid plants are observed,they usually

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Cells of anther wall

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(B) In anther culture,haploid plants are typically produced from the microspores (pollen grains). However,if diploid plants are observed,they usually arise from the somatic cells of the anther wall (such as the tapetum,middle layers,or endothecium). These cells are diploid $(2n)$ in nature and can undergo callus formation and subsequent organogenesis to produce diploid plants,unlike the haploid microspores which produce haploid plants.

After culturing the anther of a plant,a few diploid plants were found along with haploid plants. The diploid plants could have arisen from

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