Assume that the trihybrid cross AA BB RR X aa bb rr is made in a plant species in. What proportion of F2 progeny would be expected to be homozygous for all three genes when independently assort?

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#Question id: 3616

#Part-B Specialized Branches in Biotechnology

If the parents are AO and BO genotypes for the ABO blood group, their children could include which of the following genotypes?

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#Question id: 12488

#Part-A Aptitude & General Biotechnology

Retinoblastoma usually occurs as a sporadic event but in around 10% of cases there is a positive family history due to autosomal dominant inheritance. In these families the penetrance is approximately 80% (= 0.8). A woman with retinoblastoma, whose father and grandfather were also affected, has an unaffected partner with no relevant family history. Which of the following is correct regarding their children?

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#Question id: 2266

#Part-A Aptitude & General Biotechnology

In bacteria, some of the functions of eukaryotic cells are performed

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#Question id: 18868

#Part-A Aptitude & General Biotechnology

Prior to staining, which of the following is employed as a fixative in light microscopy?

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#Question id: 2277

#Part-A Aptitude & General Biotechnology

A gram-positive bacterium is stained _______________ by the gram stain