Practice Problems: Genetics and Blood Types

worksheetThis worksheet provides students with practice problems on multiple allele traits, specifically on how blood types are inherited.   The problems focus on the ABO blood groups and students are asked to perform crosses where parents’ blood types are known.  For example, if one parent has type O blood and the other parent has type AB blood, what blood types are possible among their children and in what proportion.

RH factor is not included in this worksheet as it is designed for beginning biology students and that is outside the scope of their lesson.   Though, I do talk about RH factor, and how it follows dominant-recessive patterns.

Grade Level: 9-12
Time Required:  15-30 minutes

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HS-LS3-3 Apply concepts of statistics and probability to explain the variation and distribution of expressed traits in a population.

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