They can not pass on their genes at all.

The ability to pass on one's genes is not an honest requirement for a valuable life.

In passing on their genes, the trait of fear and the response to it were selected as beneficial to the race.

In this way, males pass on only their genes to become fertile male offspring.

"The people who evaluated things rationally didn't pass on their genes."

We don't want them growing up, breeding, and passing on their genes.

Why, if she had lived to pass on her genes, she would literally have become the mother of a new race!

We were built as gene machines, created to pass on our genes.

Mate with a female but not pass on one's genes to future generations?

Reproductive success, we now know, and Darwin didn't of course, means passing on your genes.