NEET Biology question

A tall plant was grown in nutrient deficient soil and remained dwarf. When it is crossed with dwarf plant then

(A)All hybrid plants are dwarf
(B)All hybrid plants are tallCorrect
(C)50% tall and 50% dwarf
(D)75% tall and 25% dwarf

Answer: (B)

Solution

The plant's stunted appearance here is purely environmental (phenocopy), not genetic — its true genotype remains homozygous dominant tall (); crossing this plant with a genuinely dwarf ()

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Question ID VK-119509