MHT CET Medical202623 April 2026Evening ShiftBiologyPrinciples of Inheritance and VariationActual
Match List I with List II List I Types of gene interaction. List II Examples. (A). Pleiotropy (I). Mirabilis jalapa (B). Codominance (II). ABO blood group (C). Incomplete dominance (III). Sickle cell anemia (D). Multiple allele (IV). Coat color in cattle Choose the correct answer from the options given below:
Options
- A(A) - (II), (B) - (III), (C) - (IV), (D) - (I)
- B(A) - (I), (B) - (II), (C) - (III), (D) - (IV)
- C(A) - (III), (B) - (IV), (C) - (I), (D) - (II)
- D(A) - (III), (B) - (IV), (C) - (II), (D) - (I)
Correct answer
C. (A) - (III), (B) - (IV), (C) - (I), (D) - (II)
Step-by-step solution
Pleiotropy occurs when a single gene influences multiple phenotypic traits. Sickle cell anemia is a classic example, where a single mutation in the beta-globin gene affects red blood cell shape, leading to multiple systemic effects. Codominance is a condition where both alleles in a heterozygote are fully expressed. Coat color in cattle (roan coat) is an example, where both red and white hairs are expressed together. Incomplete dominance occurs when the phenotype of the heterozygote is intermediate between the phen