forth and prosper. I have an affection for it, for it was the offspring of happy days.”

In other words, this grandmother hypothesis suggests that being a grandmother and helping to take care of your adult offspring and their offspring is a better way of ensuring your genes get passed on than continuing to reproduce yourself.

Since the only way to be 100% sure that an offspring is yours is to give birth to it, that means the males of a species might not know for sure how many offspring they actually have.

The edits would only be inherited by half the offspring,

So after just two generations, at most only half of the offspring would carry the engineered gene.

In 2004, New Balance shook things up, releasing a collaboration with UK retailer Offspring.

collaboration with UK retailer Offspring.

is much easier to take care of the offspring, which

If you make your offspring immune to Alzheimer, why not also

After a few years, King Piccolo's offspring stepped into the ring ready to exact revenge.

They go on to say that consequently, women may acquire genetic benefits for offspring by selecting musicians able to create more complex music as sexual partners.

and all their offspring back.

It uses chemicals to select the best sperm, the one that will produce the healthiest offspring.