Author: Madyson Humphrey
“What are dominant and recessive genes?” you might be asking yourself. Well, you have two copies of each gene called alleles. One being dominant and the other being recessive. So, an example for this would be eye color. You have your dad with brown eyes and your mother with blue eyes. Since brown eyes are more common, that would be the dominant trait which is represented with an uppercase letter. Blue eyes would be the recessive trait, which is represented with a lowercase letter. So, when you put this on a graph it would be labeled as “Bb,” which means you get brown eyes and “bb,” which means you get blue eyes. Now, the chance of getting blue eyes when you have parents with brown eyes would be a ¼ chance of getting blue eyes. Are you seeing how this works? Here is an image that will help you understand.
You see? Now you try. Let’s talk about hair. It is the same concept. The dominant is brown hair and the recessive is blonde hair. How would we do this you ask? Well, brown hair would be “Bb” which means you have brown, and blonde is “bb”. Is this all adding up to you? Now you know why you have brown eyes and blonde hair.