Another reason that people might consider genetically modified foods to be unnatural has to do with an idea that ... "But it is a belief that is becoming less and less easy to interpret in scientific ...

Of two genetically identical mice, how can one be small and another fat? Research on epigenetic changes resulting from the environment can give us clues into obesity in mice--and humans.

Variation helps a species to survive, by causing individuals of a species to be genetically and physically different. Matthew Bottomley: In our puppy block we have in the region of 30 puppies.

copies of the genetic information are made the cell divides twice to form four gametes, each with a single set of chromosomes (haploid) all gametes are genetically different from each other ...