Genes, Alleles, and Punnett Squares
A Punnett square is a simple grid that predicts the possible traits of offspring from two parents. It is one of the most testable tools in genetics because it turns inheritance into something you can count. Once you can fill one in, a whole category of questions opens up. Continue your preparation Practice this skill […]
Heredity and DNA
Why do you have your mother’s eye color or your father’s height? The answer is heredity — the passing of traits from parents to offspring — and it all runs on a molecule called DNA. This lesson connects the words you keep hearing (DNA, gene, chromosome, trait) so they finally line up in the right […]
