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NEET BIOLOGYMedium

Match List-I with List-II:

List-I (Types of inheritance) A. Incomplete dominance B. Co-dominance C. Pleiotropy D. Polygenic inheritance

List-II (Example) I. Blood groups in human II. Flower colour in Antirrhinum III. Skin colour in human IV. Phenylketonuria

A

A-II, B-I, C-IV, D-III

B

A-II, B-III, C-I, D-IV

C

A-I, B-II, C-III, D-IV

D

A-IV, B-I, C-II, D-III

Step-by-Step Solution

:

  • Incomplete dominance: The inheritance of flower colour in Antirrhinum (Snapdragon), where a cross between red and white flowers produces pink flowers, is a classic example .
  • Co-dominance: ABO blood grouping in humans is a good example where both alleles ( and ) express themselves equally .
  • Pleiotropy: Phenylketonuria is an example where a single gene mutation exhibits multiple phenotypic expressions (mental retardation, reduction in hair/skin pigmentation) .
  • Polygenic inheritance: Human skin colour is controlled by three or more genes, making it a classic example of polygenic inheritance .
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