Michigan Science Benchmarks

Heredity (HS3) Explain how new traits may arise in individuals through changes in genetic material (DNA).
Key Concepts: Genetic changes-variation, new gene combinations, mutation. Natural and human-produced sources of mutation-radiation, chemicals. Real world contexts: Products of genetic engineering, such as medical advances-insulin, cancer drugs; agricultural related products, such as navel oranges, new flower colors, higher-yield grains; effects of natural and manmade contamination; examples of variations due to new gene combinations, such as hybrid organisms or new plant varieties resulting from multiple sets of genes.