Pollen from one species germinates on the stigma of another related species and sexually fertilizes the ovule. Most of the resulting plants are sterile but some of the resulting offspring undergo chromosome duplication resulting fertile plants. The fertile offspring are known as

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#Question id: 7304

#XL - R Botany

Which one of the following will be observed when auxin to cytokinin ratio is increased in the culture medium during organogenesis from tobacco pith callus?

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#Question id: 9616

#XL - S Microbiology

Which mutation should least require realignment of homologous regions of a gene that is common to several related species?

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#Question id: 1036

#XL - T Zoology

A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample?

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#Question id: 11318

#XL - R Botany

Humans previously infected by schistosome organisms carried by wild game suffer less ill effects from the schistosome organism causing schistosomiasis. This process is known as __________.

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#Question id: 2117

#XL - T Zoology

Which of the following statements correctly describes osmosis?