Category: CSIR NET Life Science Previous Year Questions and Solution on Genetics

35. Which one of the following conditions associated with chromosome 15 may cause Prader-Willi syndrome? (1) Paternal uniparental disomy (2) Maternal uniparental disomy (3) Imprinting of 15q11-q13 locus in maternal […]

34. Angelman syndrome (AS) and Prader-Willi Syndrome (PWS) have very distinct symptoms. Factors responsible for the occurrence of these syndromes are given below: A. Microdeletion of 15q 11-13 in paternal […]

33. A gene was located on 10p11. This means the gene was located on the (1) short arm of chromosome 10 at G-sub band 1 of band 1 (2) short […]

32. Which of the following statements about R-banding chromosomes is FALSE? (1) The heat treatment preferentially denature the GC rich DNA to produce R-banding pattern. (2) This is essentially the […]

31. Eukaryotic genomes are organized into chromosomes and can be visualized at mitosis by staining with specific dyes. Heat denaturation followed by staining with Giemsa produced alternate dark and light […]

30. Which is best technique to separate the two loci on chromosome? (1) C- banding      (2) Gel electrophoresis (3) G-banding       (4) Chromatography The best technique to separate or differentiate two […]

29, First child of parents shows developmental defects want to take help from genetic counselor for their second child. The genetic counselor must know to predict the fate of second […]

28. If both arms of one chromosome have same genotype and structure, such chromosome is referred as (1) Isochromosome (2) Allochromosome (3) Duplicate chromosome (4) Homologous Chromosome The chromosome in […]

27. In the following pedigree, individual with shaded circle or shaded square show presence of a recessive autosomal trait. The calculated risk of occurrence of this trait for iii-1 is […]