Practice Punnett Squares with Skinny Pigs – hairless guinea pigs are the result of a recessive gene ( Key, TpT) Simple Genetics Practice – using mendelian genetics and Punnett squaresīunny Genetic Crosses with two traits – basic crosses, uses Punnett squares Heredity Wordsearch – fill in the blank, find the words on a puzzle, basic vocabulary Penny Genetics – flip a coin to compare actual outcomes versus predicted outcomes from a punnett square Heredity Simulation – use popsicle sticks to show how alleles are inherited The topics of genetics vary and are constantly changing as we learn more about the genome and how we are influenced by our genes. Genetics includes the study of heredity, or how traits are passed from parents to offspring.