The instruction of one allele covers up the instruction

of the other allele in a homologous pair. Symbolized by a capital letter.

A genotype where one dominant and one recessive allele was passed on from both parents for one trait.

Bb Aa Tt Ll

The observable traits dictated by the genotype

During meiosis and gamete formation, homologous (paired up) alleles split up

During meiosis, the homologous pairs of chromosomes and the matching alleles are lined up independently.

Offspring are a mix of maternal genes and paternal genes.

This increases genetic variation.

The Italian monk/scientist who first showed

the principles of genetics