This chromosomes worksheet reviews the terms dominant, recessive, genotype, and phenotype.
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In this activity, students will:
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Examine dominant and recessive alleles on chromosomes to determine genotype and phenotype
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Draw one child to demonstrate an understanding of phenotype
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Use the Claims/Evidence/Reasoning format to predict the chromosomes of parents based on the alleles of their children
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Answer an “extended thinking” question that requires students to think a little deeper about chromosomes and heredity
Related Standards:
- NGSS MS-LS3-1: Develop and use a model to describe why structural changes to genes located on chromosomes may affect proteins and may result in harmful, beneficial, or neutral effects to the structure and function of the organism.
- NGSS MS-LS3-2: Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation.
