Tag: CSIR NET Life Science Previous Year Questions and Solution Genetics

77. The pedigree given below represents the genotype at four different loci for the children in generation III. Which one of the given genotypes is likely to represent the genotype […]

76. In the following pedigree three STR loci A, B and C are linked on the long arm of the X-chromosome in the order centromere-A-B-C-telomere. Further in the table, the […]

75. Polymorphic DNA sequences are used for molecular identification. Short tandem repeats (STRS) and Single Nucleotide Polymorphism (SNPs) are used as polymorphic markers. The table below summarizes the status of […]

The following represents sequences of different alleles of a gene found in family represented by mother, (allele1/ allele2), father (allele1/allele 2) and their two sons: Son1 (allele1/allele 2) and Son […]

73. Microsatellite are used as marker for identifying individuals via DNA fingerprinting os the alleles may differ in the number of repeals. From the Southern blot shown below identify the […]

72. The pedigree given below follows the inheritance pattern of a late-onset (after age of 30 years) genetic disease that is 100% penetrant. Affected individuals are indicated by a solid […]

71. An analysis of four microsatellite markers was carried out in a family showing a genetic disorder. The results are summarized below Based on the above, which ot the markers […]

70. Sickle cell anemia is a recessive genetic disease caused due to a point mutation in the 6th codon abolishing one of the MspIIendonuclease digestion site present in the ß-globin […]

69. In normal individuals, there are three Mstll restrictionsites. two flanking the ß-globin gene and one within thegene. In individuals affected by a disease, a singlenucleotide polymorphism in the ß-globin […]

68. The following picture represents a gel profile of a pair of DNA markers observed P1 and P2, their F1 progeny and F2 progeny. Four different profiles were observed in […]