Image credits
Image Credits:

Photos: DNA, ladybug, brown eye, blue eye, PCR, Gregor Mendel, peas: AMNH; Starfish: courtesy of AMNH Department of Library Services K4508; Perch fish: courtesy of AMNH Department of Library Services PK241; Illustrations: Louis Pappas, Steve Thurston, Eric Hamilton; DNA, nature/nurture: Kelvin Chan Boy at computer: Jim Steck; Fruit fly: courtesy of Flybase