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8th Grade Heredity Worksheets

Ages 13-14 · Free previews · Print-ready PDFs

Written by Adi Ackerman, Head Teacher

Heredity is the passing of genes from parents to offspring, and genes carry the instructions for proteins that shape traits. There are 16 sheets for 8th grade here, each with an answer key. One Base Change and the Sickle Cell Trait traces a single changed base to the body, Find Carriers in a Budgie Feather Pedigree reads four generations, and Match STR Repeat Counts in a Missing Bike Case uses DNA profiles. Native sheets practice MS-LS3-1, MS-LS3-2 and MS-LS4-5.

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Explore all of our 8th grade living things worksheets, covering heredity, natural selection and adaptations, reproduction and plant growth, cells.

Frequently Asked Questions

A test cross mates an organism showing the dominant trait with one showing the recessive trait. If any offspring show the recessive trait, the parent must carry a hidden recessive allele. Test Crosses and Expected Offspring Counts uses purple and green tomato stems to practice this.

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