A researcher would like to map the location of galE and trpA genes in a new species of bacterium that appears to be closely related to E. coli. He decides to use cotransduction, and generatesnappropriate donor and recipient strains. He is disappointed when cotransduction is not seen in his experiement. What is the most reasonable explanation for this situation?

TLS Online TPP Program

#Question id: 14631

#Section 1: Engineering Mathematics

The series 

TLS Online TPP Program

#Question id: 4730

#Section 3: Genetics, Cellular and Molecular Biology

Cross is made between a pure breeding plant having red coloured male flowers with a pure breeding plant having white colored female flowers. All of these offspring are white colored flower. Upon selfing of these F1 red flower plant produced both red and white flower. Which of the following is conclusion of these cross?

TLS Online TPP Program

#Question id: 2299

#Section 3: Genetics, Cellular and Molecular Biology

_______ are plastids containing carotenoid pigments, and _______ are plastids containing starches.

TLS Online TPP Program

#Question id: 27165

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Sequences those have sequence identity above 60% falls in the zone of

TLS Online TPP Program

#Question id: 5239

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements is not true for Hfr strains of E. coli ?