The table given below shows the Lod score values of three different pairs of genes studied for assessing if they are linked pairs: Gene Pair ‘1’ Gene Pair ‘2’ Gene […]
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CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Choosing the Best DNA Marker for Animal Breeding
45. DNA markers have enormous potential to improve theefficiency and precision of conventional animal breedingvia marker-assisted selection (MAS). Among thefollowing which would be most suitable marker forselection of animals with […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Molecular Marker Uses and Limitations in Genetics
44. Molecular marker cannot be utilized for (1) Mapping of genes (2) Identifying the clones (3) Identifying the locus of gene on chromosome (4) Identifying the expressed product Molecular markers […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Understanding What a Lod Score of 3 Means in Genetic Linkage Analysis
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 […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Drosophila White Eye and Crossveinless X-Linked Genetics
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 […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Non-PCR Based Molecular Marker
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 […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Ideal Model Organism to Identify Stage of Allelic Segregation in Meiosis
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 […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Lambda phage three‑point test cross
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 […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Three-Point Test Cross in Drosophila
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+ […]
CSIR NET Life Science Previous Year Questions and Solution on GENE MAPPING METHODS
Expected Progeny Numbers Without Double Crossovers
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 […]
