This week in Mr. Wan's biology class, we learned about blood types and pedigrees. The four blood types are A, AB, B, and O and are inherited from an offspring's parents. The blood type O can give blood to any type and is recessive, while AB can receive any type of blood. This is because O has no antigens and AB has no antibodies. Pedigrees are phenotypic family trees. They illustrate the inheritance of a particular gene.
-Tyler Giddens #Bloggin
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