Biology & Life Sciences
Basic

Monohybrid Cross Ratio

Phenotype ratio from a heterozygous monohybrid cross.

Formula

3:13 : 1

Variables

Example

Aa × Aa ⇒ 3 dominant : 1 recessive

Did You Know?

Mendel deduced his 3:1 ratio from thousands of pea plants, founding genetics before genes were even known.