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No.

Monohybrid cross

Dihybrid cross

1.

One pair of contrasting character is considered in the parents.

Two pairs of contrasting characters are considered in the parents.

2.

The phenotypic ratio in F2 individuals is 3:1.

The phenotypic ratio in F2 individuals is 9:3:3:1.

3.

The genotypic ratio in F2 individuals is 1:2:1.

The genotypic ratio in F2 individuals is 1:2:2:4:1:2:1:2:1

.4.

It explains the law of dominance and the law of segregation.

It explains the law of dominance, the law of segregation and the law of independent assortment.

5.

Example: A cross between homozygous tall (TT) and homozygous dwarf (tt) sweet pea.

Example: A cross between pure sweet pea producing yellow round seeds (YYRR) and another pure sweet pea producing green wrinkled seeds (yyrr).

 

 

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