Referring to organisms for which sexual reproduction produces offspring with inherited traits identical to those of the parents. The organisms are homozygous for the characteristics under consideration.
dominant
Purebred is only possible in Homozygous conditions such as AA or aa, and indvidual that is a hybrid (Aa) is not truebreeding and therefore is not purebred.
dominant
An organism that passes the same trait over many generations is said to exhibit genetic heritability or have a heritable trait.
Truebreeding
Homogeneous refers to a system that has uniform composition or properties throughout, while heterogeneous refers to a system with varying composition or properties in different regions. In a homogeneous mixture, the components are evenly distributed and not easily distinguished, whereas in a heterogeneous mixture, the components can be visually distinct. Homogeneous mixtures are often solutions, while heterogeneous mixtures include suspensions and colloids.