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 ...

However, it wasn't until the work of Thomas Hunt Morgan in the early twentieth century that researchers were finally able to directly link the inheritance ... the chromosome theory of heredity.

However, through modern science we now know that in the vast majority of cases this type of inheritance cannot occur. Lamarck's theory cannot account for all the observations made about life on Earth.