AIIMS Nursing Principles of Inheritance and Variation — practice questions
20 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice AIIMS Nursing Principles of Inheritance and Variation in the app →Down's syndrome is caused by an extra copy of which chromosome?Turner's syndrome is caused byThe karyotype in Klinefelter's syndrome isGain or loss of a chromosome caused by failure of chromatids to segregate is calledSickle cell anaemia is inherited asColour blindness is inherited asIn haemophilia, an unaffected carrier female mayPhenylketonuria is best described asThe phenotypic ratio in the F2 generation of a dihybrid cross isThe phenotypic ratio in the F2 generation of a monohybrid cross isCrossing an individual showing the dominant phenotype with a recessive parent is called aWhen the F1 phenotype is intermediate between the two parents, the pattern is calledIn co-dominance, the F1 generationA gene existing in more than two allelic forms in a population showsThe laws of inheritance were first worked out byMendel selected how many true breeding pea plant varieties for his experiments?After crossing tall and dwarf pea plants, Mendel obtained the F2 generation byMendel controlled which plants were crossed by carrying outDisorders caused by absence, excess or abnormal arrangement of chromosomes are calledWhich of these is listed as a Mendelian disorder?