I've tried it and decided he's got different genes and will never change.

Many different abnormal genes have been found that can cause Pick's disease.

Blood tests show that several different genes can cause the disease, but an individual carries only one.

"There are about 30,000 different genes in a living organism," he said.

What if she had married some other man with different genes?

Depending on what information is desired, different genes may be targeted.

Family history is a risk factor for asthma with many different genes being implicated.

Such species react differently to the same environment because of different genes.

So far at least 25 different genes have been found to be involved in the development of mouse teeth.

Sometimes this is true; other times similar structures are coded for by entirely different genes.