Semiconservative replication means that when the double stranded DNA helix was replicated, each of the two double stranded DNA helices consisted of one strand coming from the original helix and one newly synthesized. When dna replicates, the two new molecules each have a strand of the old dna.
The chicken (Gallus gallus domesticus) is a domesticated fowl, a subspecies of the red junglefowl. As one of the most common and widespread domestic animals, with a population of more than 24 billion in 2003, there are more chickens in the world than any other species of bird.he chicken (Gallus gallus domesticus) is a domesticated fowl, a subspecies of the red junglefowl. As one of the most common and widespread domestic animals, with a population of more than 24 billion in 2003, there are more chickens in the world than any other species of bird.
Know Your Hybrid Chickens. Many of the Hybrid Chickens which populate our gardens today, including the familiar ISA Brown, were developed by combining the individual strengths of a number of pure-breed birds.Terry Beebe explains.