Some people age beautifully with great looking skin; others slather on creams and odd gunk in a futile battle to chase away wrinkles and age spots. What is the difference between aging with lots of wrinkles or just a few? Genetics and environmental factors, of course.
What causes male pattern baldness? A combination of genetics, nutrition, and environmental toxins come together to form the risk factors for baldness. But genetics really seems to rule the roost here.
When you think of wine, do you wax poetically about the subtle notes of springtime apple blossoms with hints or truffles — or do you just hope that all your friends can’t tell that you secretly like “Two-Buck Chuck” the best? Your genetic variants definitely influence the way that your taste buds work when it comes to wine.
To have red hair, you need to carry two variants in the MC1R gene. We all know our hair color, but it turns out that if you carry one MC1R genetic variant (and don't have red hair) you are still at an increased risk for skin cancer.