How does gene therapy affect a cell? a. cells with functioning genes are replaced with mutated genes. b. cells with normal genes are replaced with cells of defective genes. c. cells with abnormal genes are replaced with cells of destructive genes. d. cells with defective genes are replaced with cells of normal genes.

1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.

Cells control gene expression at which steps

Explain how mendel kept his pea plant from self pollination