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Drosophila melanogaster males with normal wing size and grey body colour is crossed with females having vestigial wings and yellow body colour. Vestigial wing and yellow body colour are recessive […]

54. On basis of statement given below the mode of inheritance is • Mostly males are sufferer of disease • All male child of affected mother are diseased • Female […]

53. A cross between a red eyed male fly and white eyed female fly produces red eyed female and white eyed male progenies. While reciprocal cross produces all offsprings with […]

52. Among  the following which statement is NOT correct for X-linked recessive disorder ? (1) Female with such disorders ate rare (2) Males the diseased allele are always diseased (3) […]

51. Among the following, which is sex linked disorder (1) Night blindness    (2) color blindness (3) Cretinism             (4) Myxedema Introduction: Sex-linked disorders are genetic conditions associated with genes located on […]

50. Paternal grandfather is hemophilic, what is probability of his grandson to be hemophilic (1) 1/2               (2) 1/4 (3) 1/8               (4) 0 The probability of a grandson being hemophilic when […]

49. The probability of a son to be color blind for parent with colorblind father and normal homozygous mother would be (1) 0%         (2) 25% (3) 50%       (4) 100% The […]

48. Among the following which is probable cause of unequal results during the reciprocal crosses? (1)  X-linked inheritance (2) polygenic inheritance (3) Mendelian Inheritance (4) Epitasis Unequal results during reciprocal […]

47. A well-known genetic disorder is carried by a woman. She marries a normal man and her all female child are alive but she tost all male child. Such a […]

46. Baldness of male is due to- (1) X- linked         (2) Y-linked (3) Autosomal      (4) Multifactorial Male baldness, particularly male pattern baldness (androgenetic alopecia), is best described as a multifactorial […]