Biology · PRINCIPLES OF INHERITANCE AND VARIATION

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).\n Assertion (A): In a monohybrid cross of Antirrhinum majus (snapdragon) between true-breeding red-flowered and white-flowered plants, the phenotypic and genotypic ratios in the \( F_2 \) generation are identical (1:2:1).\n Reason (R): The allele for red flower colour is completely dominant over the allele for white flower colour, allowing heterozygous individuals to express a blended phenotype.\nIn the light of the above statements, choose the correct answer from the options given below:

1. A
   Both (A) and (R) are true and (R) is the correct explanation of (A)
2. B
   Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
3. C
   (A) is true but (R) is false
4. D
   (A) is false but (R) is true