What is the relationship between GENES and DNA?
How the Code Works The combination of A,T,G,C determines what traits you might have..... C A T C A T = purple hair T A C T A C = yellow hair
Think of the bases of DNA like letters. Letters form words.... Words form sentences.... *endless combinations
Let's Review What We Know About DNA 1. DNA stands for: De _____ ribo ______ acid 2. What is the shape of DNA? ______________ 3. Who established the structure of DNA? ____________ and ______________ 4. Adenine always pairs with _______________ 5. The sides of the DNA ladder are deoxyribose and _______________
6. Guanine always pairs with _____________ 7. What is the complementary sequence: C A T T A G 8. The two sides of DNA are held together by _______ bonds. 9. DNA is composed of repeating subunits called ______________________ 10. What are the 4 bases that make up the rungs of the DNA ladder? ____________________
DNA REPLICATION the process by which DNA makes a copy of itself (cell division) SEMI-CONSERVATIVE - half of the old strand is saved