Give a cross of co-dominance using a suitable example. – InterviewSolution

1.

Give a cross of co-dominance using a suitable example.

Answer»

Coat colour in cattle

Red female RR × White male WW

P₁ generation : RR × WW

Gametes : R and W

F₁ generation all RW Roan coloured

P₂ generation RW × RW

	R	W
R	RR	RW
W	RW	WW

Genotypic ratio : 1 RR : 2 RW : 1 WW

Phenotypic ratio : 1 Red : 2 Roan : 1 White

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