Assertion (A) : In humans, if gene (B) is responsible for black eyes and gene (b) is responsible for brown eyes, then the colour of eyes of the progeny having gene combination Bb, bb or BB will be black only. Reason (R) : The black colour of the eyes is a dominant trait.

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Expression of Traits Through Genes, Dominant and Recessive Traits | PadhAiPro

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Assertion-ReasonExpression of Traits Through GenesDominant and Recessive TraitsCBSE PYQ

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