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43. A Lod score of 3 represents a Recombination Frequency that is (1) 3 times as likely as the hypothesis of no linkage (2) 30 times as likely as the […]

A virgin Drosophila female was crossed with a wild type male. The Fi progeny obtained had four types of males as shown below. Phenotype White eyed Wild type Cross veinless […]

41. Which of the following molecular marker is non-PCRbased (1) RAPD      (2) RFLP (3) SSR(4) SNP The molecular marker that is non-PCR based among the options is RFLP (Restriction Fragment […]

40. Segregation of alleles can occur at Anaphase or at Anaphase n of meiosis. With reference to this statement, which one of the following organism is an ideal model system […]

E coli cells were simultaneously infected with two strains of phage λ, One strain of λ had a mutant host range, is temperature sensitive and known to produce clear plaques […]

When F1 female Drosophila of he genotype a+a b+ b c+ c is test crossed, the following progenies were obtained: Progeny classes No. of progenies a+ b+ c+ 22 a+ […]

The genetic map of three genes in Drosophila melanogaster is given below: cu e                  se 20 cM12 cM A cross as given below individuals of the genotype: a+    b+    c             […]

Curled wing (cu), ebony body colour (e) and sepia eye (se) are three recessive mutations that occur in fruit flies. The loci for these mutations have been mapped and they […]

35. In Drosophila order of genes under investigation is as shown in figure. b+          cm+               w+ 5cM           10cM if drosophila with genotype    b+    cm+    w+ b       cm     w is test […]

34. In D. Melanogaster, traits ‘b’ and ‘c’ result from recessive alleles that are located on one of the autosomes. The resulting Fl females were test crossed and the following […]