Sentences with phrase «years of breeding genetically»

Not exact matches

Over the past two years, Pioneer has stressed its use of molecular breeding to improve its soy varieties, most of which are also genetically modified.

The study shows that even if both types of fish breed in the same streams at the same time of year and have been interbreeding all along, they are splitting into two genetically and physically different types.

Here is my issue with genetically modified crops — the crops that are modified inside a lab and not through cross breeding, the original genetic modification that has been going on for thousands of years.

Jenna, she is a breed of pig who has been genetically modified to be obese - there is really nothing anyone can do about that: - / those type of pigs are not expected to live longer than 1,5 year.

Those existing today are bred in captivity as part of a conservation effort to preserve the breed, which genetically seems to have stemmed from dogs brought with human travelers from China (the oldest remains of a New Guinea singing dog is a tooth dated to about 5,500 years ago).

For all these years, she has always strived to produce the most genetically pure animals possible, in the continual pursuit of sheer excellence in her breeding program.

Years of selective breeding has had the side - effect that some breeds are genetically predisposed to conditions which shorten life - the reverse of hybrid vigour.