Writing Write about Science and Scientific Phenomena answering the following questions: 1. What does genetics, as a science, study? Explain. 2. What is DNA? What is the structure of DNA? 3. What is the role of DNA? Explain. 4. Speak about interesting facts about genetics. DNA Explain your answer. 5. What are some other facts from the sphere of Science you want to share?
2) DNA is a carrier of hereditary information, preserves it and passes it on to the next generation. .The molecule itself is like a spiral staircase. The "stair railings" are molecules of phosphate and deoxyribose, connected by "steps" - the nucleotides of adenine (A), guanine (G), thymine (T), cytosine (C).
3) DNA provides storage, transmission from generation to generation of genetic information in the form, which is a sequence of nucleotides.