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.
Rhode Island Reds are one of the most popular chicken breeds in the world. Developed in America, they lay a large amount of rich medium brown eggs per year. They are often used to create sex-linked chickens where the roosters are different colors from the hens for easy sorting when they are chicks.ne of the more unusual types of chicken breeds is the Polish. These birds are light in body and are seen frequently in poultry shows. Their most unusual feature is the pom-pom like crest of feathers on their heads.
The most utilized breed of chicken in the world, the White Leghorn Chicken is by far the most famous and popular of all Leghorn breeds. The White Leghorn is the most used breed for white eggs in the United States and have been widely used for scientific research in embryonic and Avian biological studies.hese chickens are excellent fliers and will roost in trees if they are raised as free range birds. Brown Leghorns are seen often in paintings or in advertisements because of their many colors, long black tail feathers, and single comb. The Brown Leghorn is one of the most popular white egg laying breeds.