NEET Biology question

It is said that Mendel proposed that the factor controlling any character is discrete and independent. His proposition was based on the

(A)Results of the F3 generation of a cross
(B)Observation that the offspring of a cross made between plants having two contrasting characters shows only one character without any blendingCorrect
(C)Self-pollination of F1 offspring
(D)Cross-pollination of F1 generation with the recessive parent

Answer: (B)

Solution

Mendel's key insight that hereditary factors are discrete, particulate entities (rather than blending fluids) came from observing that crossing two contrasting true-breeding varieties produced an F1 generation showing only the dominant trait fully, with no blended intermediate — and that the "hidden" recessive trait

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Question ID VK-120400