Gregor Mendel of Mendelian inheritance. Mendel worked with seven characteristics of pea plants: plant height, pod shape and color, seed shape and color, and flower position and color. Taking seed color as an example, Mendel showed that when a true-breeding yellow pea and a true-breeding green pea were cross-bred their offspring always produced yellow seeds. However, in the next generation, the green peas reappeared at a ratio of 1 green to 3 yellow. To explain this phenomenon, Mendel coined the terms “recessive” and “dominant” in reference to certain traits. (In the preceding example, the green trait, which seems to have vanished in
Genetics nursing healthcare to patients. The Nursing Code of Ethics and other ethical foundations were established for field of genetics nursing to provide regulations when ethical issues develop. Adopted from the early Christians in 30 AD, the term nurse was created from the Latin origin nutrire, which means to nurture or nourish. Establishing nursing as one of the oldest forms of healthcare and continues to be a growing field of medicine. Genetics, which is the study of inherited traits and their variation is a much more recent field of medicine. The experiments and theories of Gregor Mendel in the mid-19th century helped