In a monohybrid cross with two heterozygous parents the result will be a genotypic ratio of 1:2:1 for homozygous dominant to heterozygous to homozygous recessive. The phenotypic ratio will be 3:1 dominant trait to recessive trait.
In a monohybrid cross from heterozygous parents, of the genotype of offspring would be homozygous dominant to heterozygous to homozygous recessives.
A monohybrid cross is a cross between two organisms involving one genetic trait.
The genotypic ratio for monohybrid cross is 1:2:1 which is homozygous dominant to heterozygous to homozygous recessive.
For example one genetic trait for height of plant TT:Tt:Tt:tt has the genotypic ratio 1:2:1.
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