Scientists

Gregor Mendel

Father of Genetics who discovered the basic principles of inheritance through pea plant experiments.

Transforming principle

The concept credited to Frederick Griffin that bacteria can transfer genetic information.

Hershey-Chase experiment

An experiment conducted by Alfred Hershey and Martha Chase that demonstrated DNA holds genetic information, not protein.

Chargraff’s rule

The rule stating that in DNA, Adenine pairs with Thymine, and Guanine pairs with Cytosine.

Rosalind Franklin

Scientist known for producing X-ray diffraction images of DNA, which were crucial for understanding its structure.

Double helix structure

The proposed structure of DNA by James Watson and Francis Crick.

On the Origin of Species

A book written by Charles Darwin that outlines the theory of evolution and proposes that all life descended from common ancestors.

Father of Taxonomy

Title given to Carl Linnaeus for creating a systematic method of naming organisms called binomial nomenclature.

Uniformitarianism

The theory established by Charles Lyell that geological processes we observe today also shaped the Earth in the past.

Gradualism

The concept introduced by James Hutton that evolution and geological change occur slowly over time.