Overaeration lungs: Hyperaeration means lungs contain larger amount of air than normally expected. Has many causes. In children can be seen with diseases causing air trapping such as bronchiolitis, asthma, cystic fibrosis, congenital heart disease, early aspiration, and metabolic acidosis.
Barbara McClintock's World Discovering Jumping Genes For the first half of the 20th century, genes were seen as objects with fixed positions on the chromosomes. However, in the 1950s, Barbara McClintock showed that certain DNA fragments, termed transposons, can be activated to jump from one position on a chromosome to another.
HFE, the gene for classic hemochromatosis, was discovered by a team of scientists in California 1996. Two major mutations of HFE attributable to iron loading are C282Y and H63D. Numerous prevalence studies support that the C282Y mutation of HFE is common among whites.