actually follow Mendelian inheritance patterns. The PKU-associated enzyme deficiency was determined biochemically in the 1950s—long before the PAH-encoding gene was mapped to human chromosome 12 ...

Gregor Mendel's principles of inheritance form the cornerstone of modern genetics. So just what are they? When looking at the figure, notice that for each F 1 plant, the self-fertilization ...

The eight distinct phenotypes reflected in this ratio occur because each trait can independently express either the dominant or recessive phenotype.