Modern genetics began with the experiments of Gregor Mendel. In his careful and quantitative work with garden peas, Mendel discovered that discrete units called genes are responsible for inheritance. Mendel's laws, which reflect the rules of probability, explain the characteristics and proportions of offspring born to a particular set of parents. Modern geneticists continue to extend the principles discovered by Mendel to new organisms and more complex patterns of inheritance. Gregor Mendel formulated a particular …showed first 75 words of 398 total…

…showed last 75 words of 398 total…characters. The f2 generation of a dihybrid cross has four possible phenotypes in a 9:3;3:1 ratio. Mendelien inheritance reflects rules of probability. The rules of multiplication states that the probability of a compound event is equal to the product of the separate probabilities of the independent single events. The rule of addition states that the probability of an event that can occur two or more independent ways is the sum of the separate probabilities. ------------------------------------------------------------------------ **Bibliography**