DNA from Salmonella species, when digested with the restriction enzyme Xba I, gives around 15 fragments ranging from 25 kb to 680 kb This pattern of fragments, or ‘fingerprint’, is unique to that strain. If the same fingerprint is found from bacteria from other infected people, then it can be assumed that they were all infected from a common source. Thus, by comparing their eating habits, food sources, etc. the source of the infection can be traced to a restaurant, food item. The fingerprints are created and analysed by

#Question id: 5695

#Part-A Aptitude & General Biotechnology

Triploids are usually autopolyploids. They arise spontaneously in nature, but they can be constructed by geneticists from the cross of a 4n (tetraploid) and a 2n (diploid). Triploids are characteristically sterile due to

#Question id: 5695

#Part-B Specialized Branches in Biotechnology

Triploids are usually autopolyploids. They arise spontaneously in nature, but they can be constructed by geneticists from the cross of a 4n (tetraploid) and a 2n (diploid). Triploids are characteristically sterile due to

#Question id: 5696

#Part-A Aptitude & General Biotechnology

Abnormality during egg formation as a nondisjuction in anaphase I of single set of chromosome, but spermatogenesis is normal will produced resulting progeny would be

#Question id: 5696

#Part-B Specialized Branches in Biotechnology

Abnormality during egg formation as a nondisjuction in anaphase I of single set of chromosome, but spermatogenesis is normal will produced resulting progeny would be

#Question id: 5697

#Part-A Aptitude & General Biotechnology

Individual with pericentric inversion produce gametes that receive the recombinant chromosomes cannot produce viable progeny because

#Question id: 5697

#Part-B Specialized Branches in Biotechnology

Individual with pericentric inversion produce gametes that receive the recombinant chromosomes cannot produce viable progeny because