Fundamentals of Genetics: Punnett Squares

The video tutorial explains how traits are determined by two genes, one from each parent. It introduces the Punnett square, a tool developed by Reginald Punnett, to predict gene combinations in offspring. The tutorial demonstrates setting up and filling a Punnett square using pea plant height as an example, where the female parent is homozygous dominant and the male is homozygous recessive. The offspring are all heterozygous and tall. The video concludes by considering the genetic outcomes of crossing these offspring.

How do you fill in the boxes of a Punnett square?

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What would happen if two heterozygous tall offspring were crossed?

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