
Genetics | History, Biology, Timeline, & Facts | Britannica
5 days ago · Genetics forms one of the central pillars of biology and overlaps with many other areas, such as agriculture, medicine, and biotechnology. Learn more about the history, …
Genetics - DNA, Heredity, Variation | Britannica
Oct 21, 2025 · Genetics - DNA, Heredity, Variation: Genetically diverse lines of organisms can be crossed in such a way to produce different combinations of alleles in one line.
Biology - Evolution, Genetics, Species | Britannica
Aug 22, 2025 · Biology - Evolution, Genetics, Species: In his theory of natural selection, which is discussed in greater detail later, Charles Darwin suggested that “survival of the fittest” was the …
genetics summary | Britannica
Genetics, study of heredity in general and of genes in particular. Genetics forms one of the central pillars of biology and overlaps with many other areas, such as agriculture, medicine, and …
Human genetics | Description, Chromosomes, & Inheritance
The study of human heredity occupies a central position in genetics. Much of this interest stems from a basic desire to know who humans are and why they are as they are.
Evolution - Natural Selection, Adaptation, Genetics | Britannica
4 days ago · Since the late 20th century, scientists have used the techniques of molecular biology to modify or introduce genes for desired traits in a variety of organisms, including domestic …
Genetics - DNA, Genetic Code, Mutations | Britannica
Oct 21, 2025 · Today a prime reason for performing classical genetics is for gene discovery—the finding and assembling of a set of genes that affects a biological property of interest.
Hybrid | Hybridization, Crossbreeding, Breeding | Britannica
The process of hybridization is important biologically because it increases the genetic variety (number of different gene combinations) within a species, which is necessary for evolution to …
Heredity | Definition & Facts | Britannica
Nov 6, 2025 · Discoveries into the nature of genes have shown that genes are important determinants of all aspects of an organism’s makeup. For this reason, most areas of biological …
Life - Genetics, Evolution, Biology | Britannica
Oct 3, 2025 · Life - Genetics, Evolution, Biology: All organisms on Earth, from the tiniest cell to the loftiest trees, display extraordinary powers.