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MCQs

Total Questions : 60 | Page 5 of 6 pages
Question 41. What is Cytogenetics?
  1.    Genetic disorders
  2.    Phenotypic variation
  3.    Study of chromosomes
  4.    Qualitative traits
 Discuss Question
Answer: Option C. -> Study of chromosomes
Answer: (c).Study of chromosomes
Question 42. Which of the following is NOT the dye-based chromosome banding?
  1.    Giemsa
  2.    Reverse
  3.    Centromere
  4.    Metacentric
 Discuss Question
Answer: Option D. -> Metacentric
Answer: (d).Metacentric
Question 43. Human consists of 46 chromosomes or 23 pairs of chromosomes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 44. The diagram which shows the arrangement of metaphasic chromosomes according to their position of centromere is called________
  1.    Histogram
  2.    Karyogram
  3.    Dendrogram
  4.    Ideogram
 Discuss Question
Answer: Option D. -> Ideogram
Answer: (d).Ideogram
Question 45. Which of the following designation has given to human female chromosomes?
  1.    XX
  2.    XY
  3.    XO
  4.    ZZ
 Discuss Question
Answer: Option A. -> XX
Answer: (a).XX
Question 46. Name the term which defines the presence or absence of extra copies of a few chromosomes.
  1.    Extranuclear inheritance
  2.    Aneuploidy
  3.    Euploidy
  4.    Diploid
 Discuss Question
Answer: Option B. -> Aneuploidy
Answer: (b).Aneuploidy
Question 47. Which of the following is CORRECT for Turner syndrome?
  1.    Slanting eyes
  2.    Autosomal aneuploidy
  3.    Suppressive
  4.    Retarded sexual development
 Discuss Question
Answer: Option D. -> Retarded sexual development
Answer: (d).Retarded sexual development
Question 48. Mark the INCORRECT statement about Edward’s syndrome.
  1.    Trisomy of chromosome 18
  2.    Mental and motor retardation
  3.    Dwarfism
  4.    Clenched hand and overlapping fingers
 Discuss Question
Answer: Option C. -> Dwarfism
Answer: (c).Dwarfism
Question 49. Alteration in which of the following chromosome shows Down syndrome?
  1.    Sex chromosome
  2.    18
  3.    21
  4.    13
 Discuss Question
Answer: Option C. -> 21
Answer: (c).21
Question 50. Which of the following chromosomal aberration shows pseudodominance?
  1.    Deletion
  2.    Duplication
  3.    Inversions
  4.    Translocation
 Discuss Question
Answer: Option A. -> Deletion
Answer: (a).Deletion

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