The strain is breeding not just abuses, they said, but also stress-related illnesses, damaged marriages and even thoughts of suicide among some.

Some was exchanged for soybeans or strains of corn bred to mature more quickly.

But the strain bred true.

A strain may breed true for one or more traits while varying in other characteristics.

Just as a strain can breed true for one or more traits, it can also segregate for one or more traits; this is often seen.

The fruits, he guessed, of biological engineering, A strain bred for smallness to be used as novelties, toys, pets, amusing additions to a wealthy household.

Prions come in different strains, each with a slightly different structure, and most of the time, strains breed true.

High-yield strains of wheat and rice bred in the world's agricultural laboratories doubled and tripled harvests in much of the developing world.

Other strains could be drought-resistant, or bred to flourish in the winter.

Includes the Leader Sheep, a strain bred to lead flocks of other sheep to and from their pastures.