NEET 2013 Biology question

Which mendelian idea is depicted by a cross in which the F1 generation resembles both the parents ?

(1)incomplete dominance
(2)law of dominanceCorrect
(3)inheritance of one gene
(4)co-dominance

Answer: (2)

Solution

In a Mendelian cross between two homozygous parents (e.g. TT x tt), all F1 offspring are Tt and look like one of the two parents (the tall parent) - the dominant trait is expressed in the F1 generation and the other (recessive) trait is hidden. Since the F1 phenotype is identical to that of one parent, it 'resembles'

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Question ID VK-091459