give an example and draw the punnet square where the phenotype ratio is 1:1:1:1

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give an example and draw the punnet square where the phenotype ratio is 1:1:1:1

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Answer 1

Answer #1

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Dihybrid testcrtest produces 1:1:1:1 ratio.

Green pod (G) is dominant over yellow pod (g).

Tall (T) is dominant over dwarf (t).

GgTt (green, tall) x (yellow, dwarf) ggtt ------ testcross

	gt
GT	GgTt (green, tall)
Gt	Ggtt (green, dwarf)
gT	ggTt (yellow, tall)
gt	ggtt (yellow, dwarf)

Phenotypically ratio= 1:1:1:1

Genotypic ratio= 1:1:1:1

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Answer 2

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