Black men are at greater risk for the disease, and he said some of the genetic differences may help explain why.

But data would also bring out the genetic differences between different groups and races.

There's more genetic difference within racial groups than among them.

First of all, why would anyone expect a genetic difference between races?

In fact, there are far more genetic differences within a population of humans than between them.

There are also genetic differences between the call type populations.

Her own studies, for example, focus on genetic differences in taste perception.

"The genetic difference is well within the range of ordinary variation."

Similarly, companies are now racing to figure out genetic differences among people.

However, artificial selection has brought about genetic differences between the groups.