The external layer of the human skin is called the epidermis and it replaces itself approximately every 27 days through shedding, which is known as exfoliation. Only this outer or surface layer of skin is replaced during the exfoliation process.
Gregor Mendel, the Moravian Augustinian monk who founded the modern science of genetics. Mendelian inheritance is a type of biological inheritance that follows the laws originally proposed by Gregor Mendel in 1865 and 1866 and re-discovered in 1900. These laws were initially very controversial.
Mendelian Genetics. In the 1860âs, an Austrian monk named Gregor Mendel introduced a new theory of inheritance based on his experimental work with pea plants. Prior to Mendel, most people believed inheritance was due to a blending of parental âessencesâ, much like how mixing blue and yellow paint will produce a green color.