Two independent pure line varieties having white and green phenotype in their fruit were cross, the all f1 progeny is white fruit. The F2 progeny obtain from selfing show white, yellow and green in ratio of 12:3:1. Which of the following is correct?

#Question id: 5240

#Section 3: Genetics, Cellular and Molecular Biology

If bacteria grow in the presence of a large amount of DNase, which of the following recombination process completely inhibited?

#Question id: 5241

#Section 3: Genetics, Cellular and Molecular Biology

Genes a, b, and c are widely spaced in the bacterial genome. Transducing phage from an a+ b+ c+ bacterium were used to infect a culture of a- b- c- cells, and b+ transductants were selected. Which of the following best describes the predicted genotypes of these transductants?

#Question id: 5242

#Section 3: Genetics, Cellular and Molecular Biology

Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?

#Question id: 5243

#Section 3: Genetics, Cellular and Molecular Biology

Auxotroph culture (His- and Lac-) culture of E. coli was mutagenised. On what media would one spread the mutagenised cells to select prototroph for both His+  and Lac+ cells?

#Question id: 5244

#Section 3: Genetics, Cellular and Molecular Biology

Transformation can used to map bacterial gene, which of the following statement is correct?

#Question id: 5244

#Section 3: Genetics, Cellular and Molecular Biology

Transformation can used to map bacterial gene, which of the following statement is correct?