Development of the Modern Theory of Evolution

Events

Progress

1798

Thomas Robert Malthus published "An Essay on the Principle of Population." Alfred Russel Wallace and Charles Darwin in progress of the theory of Natural Selection.

First Theory of Evolution published

1809

Jean Baptiste Lamarck, printed his theory of Evolution which was that evolution happened through the inheritance of developed features.

The First Essay

1844

Charles Darwin writes an essay about the theory of Evolution but it was never published.

Competition for Evolution

1858

Alfred Russel Wallace publishes an article which have the same idea as Darwin about the natural selection. Then Darwin’s and Wallace’s theories are presented at the London Linnean society.

The Origin of Species

1859

Darwin gets very sick as he gets old and his book “The Origin of Species” is published then it became very popular.

Heredity Experimentation

1865

Mendel’s pea plants theory was printed and it supports the theory of natural selection.

Importance of DNA in Heredity

1892

August Weismann writes how important DNA is to heredity.

Chromosomes and Heredity

1903

Walter Sutton demonstrated chromosomes carry units of Mendelian Heredity

Genetic Material Verified

1943

DNA is confirmed to be genetic material which is that inheritance passes from one generation to the next generation.