Distinguish between Monohybrid cross and Dihybrid cross.

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answered Sep 2, 2021 by Jagat (40.4k points)
selected Sep 13, 2021 by Nikunj

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Difference between Monohybrid cross and Dihybrid cross:

No.	Monohybrid cross	Dihybrid cross
i.	The cross between two pure parents differing in a single pair of contrasting character is called Monohybrid cross.	The cross between two pure parents differing in two pairs of contrasting characters is called dihybrid cross.
ii.	Phenotypic ratio is 3 : 1.	Phenotypic ratio is 9 : 3 : 3 : 1.
iii.	Genotypic ratio is 1 : 2 : 1.	Genotypic ratio is 1 : 2 : 2 : 4 : 1 : 2 : 1 : 2 : 1.
iv.	The law of segregation is explained by this cross.	The law of independent assortment is explained by this cross.