Basic units of heredity
Genes
Made up of DNA and are responsible for the characteristics of organisms
Genes
Genes are passed down from ___ to ___
Parent; Offspring
Each gene has instructions on how to make a specific ____
Protein
Estimated # of genes
25,000
2 types of genes
Structural and Regulatory
Responsible for the physical traits of an organism (color of eyes or hair)
Structural Genes
Control the activity of other genes (can turn other genes on/off)
Regulatory Genes