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Punnet squares are used in genetics. They are used to keep track of genotypes like Bb. I made a punnet square myself. It was about having a normal chin, which was dominant, and having a cleft chin. The genotype was CC,Cc, or cc. My results were that if I were to have children, that 75% of the children would have a normal chin. The genotype was Cc and Cc.

What I learned was how to use a punnet square and learning about genotypes and phenotypes. A genotype is a person's physical make up and a phenotype is their appearence. All people get their genotype from their mom and dad. They also get some of their looks.




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