Genetics Expert Joanna L. Kelley

Have you ever solved a tricky puzzle? As kids, Joanna Kelley and her siblings had fun solving the math and science challenges their parents invented at the dinner table. Later, Kelly''s love of science puzzles inspired her to investigate the building blocks of life. Kelley became a geneticist, a scientist who studies DNA. DNA is the set of instructions inside every living thing—a code that shapes ...