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The Development Of A Scientific Theory

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Assignment 1 P1 The development of a scientific theory
Date Event
1809 First theory of evolution available

Jean-Baptiste Lamarck is a French naturalist, soldier, biologist and academic. He gave out his theory of evolution. His theory was that evolution occurred through the inheritance of developed characteristics, or the use/disuse theory.
1831 A new world

Charles Darwin was very young and still a student, joins the journey of the HMS Beagle as a naturalist.

1844 The First Essay

Charles Darwin was working for many years, writes an essay on the theory of evolution. Unluckily, this was never published.
1858 Rivalry for Evolution

Alfred Russel Wallace issues a paper. The paper had some of the same assumptions as Darwin, including natural selection. Darwin 's friends present both Wallace 's and Darwin 's theories at the Linnean Society.
1859 The Origin of Species

Darwin was suffering from sickness both in himself and his family, completes his book "The Origin of Species" and issues it. It becomes very popular.
1865 Heredity experimentation

Mendel 's works with pea plants is given out, setting the background for the basis of natural selection.
1892 Importance of DNA in heredity

August Weismann gives out answers detailing how important DNA is to heredity. Along with the germ cell theory. The theory that legacy only takes place by means of germ cells. For example: egg and sperm. Those other cells do not pass on their genes.
1903 Chromosomes and heredity

Walter

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