About the Author
Kathleen Simpson lives in the hill country of central Texas with her husband and dogs. She has authored numerous works for young people, including the National Geographic Investigates books Extreme Weather: Science Tackles Global Warming and Climate Change, Genetics: From DNA to Designer Dogs, and The Human Brain: Inside Your Body’s Control Room.
Table of Contents
Message From the Consultant 8 Mendel, the Father of Modern Genetics 9 Timeline of Genetic Research 10
1 Ancient DNA 12 Royal genes Pharaoh gone missing Historic discoveries A mysterious mummy is found Family tree, written in DNA Problems with ancient DNA Genetic science reveals the future as well as the past
2 Genetic Science 20 Green pollution fighters Rabbit genes in trees Slow cleanup in the most polluted places A medium pizza with genetically modified canola oil A problem or a solution?
3 Genes for Long Life 26 Very old worms Why is my hair brown?
Switching genes on and off Inherited traits Two points of view
4 Fighting for Wildlife 32 Mysterious animal on the loose in Montana Gathering gorilla DNA Extracting DNA New weapons Meet a DNA investigator
5 Microbial DNA 42 Why is microbial DNA important?
A map of microbial DNA Scooping up life in the Sargasso Sea The Human Genome Project Microbial Genome Project 42
6 Genetics and Cloning 50 Ditteaux, the African wildcat How does cloning work?
Cloning history Problems of diversity Why stop with African wildcats?
Growing a human heart The Years Ahead 58 Glossary 59 Bibliography 60 On the Web 60 Further Reading 60 Index 61 About the Author and Consultant 63 Credits 64