heredity

  • It's All Relative

    So your second toe is longer than the first, and you have 17 freckles across the bridge of your nose—your grandpa does too. And those gray flecks in your hair and your nearsightedness may indicate much more than a passing resemblance to your mom or dad. The hodgepodge of traits inherited from your parents and grandparents help make up your physical identity.

    Your family’s health history determines your biology—but not your destiny.
    By Jessica Downey