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There’s about to be a baby boom! In this experiment, you’ll draw marbles from two different cups to create a really big pretend family of boys and girls.
How did you become a boy or a girl? It happened because of your chromosomes. Chromosomes are the instructions inside each of us. They give us our hair color, our eye color, and the other characteristics that our bodies have. They also determine whether we’ll be born a boy or a girl.
Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances. Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision. Reading and following the safety precautions of all materials used in a project is the sole responsibility of each individual. For further information, consult your state's handbook of Science Safety.