Outline of genetics
Outline of Genetics
Genetics (pronounced: jə-ˈne-tiks, from the Greek genno "to give birth") is a branch of biology concerned with the study of genes, genetic variation, and heredity in organisms.
Etymology
The term "genetics" was first suggested to describe the study of inheritance and the science of variation by prominent British scientist William Bateson in a personal letter to Adam Sedgwick, dated April 18, 1905.
Related Terms
Gene
A gene (pronounced: jēn) is a basic unit of heredity and a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product, either RNA or protein.
DNA
DNA (pronounced: dē-ˌen-ˈā, abbreviation for Deoxyribonucleic acid) is a molecule composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.
RNA
RNA (pronounced: ˌär-ˌen-ˈā, abbreviation for Ribonucleic acid) is a polymeric molecule essential in various biological roles in coding, decoding, regulation and expression of genes.
Heredity
Heredity (pronounced: hə-ˈre-də-tē) is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.
Genetic Variation
Genetic variation (pronounced: jə-ˈne-tik ˌver-ē-ˈā-shən) refers to diversity in gene frequencies, and it can refer to differences between individuals or to differences between populations.
See Also
- Molecular genetics
- Population genetics
- Quantitative genetics
- Genetic engineering
- Genomics
- Proteomics
- Bioinformatics
External links
- Medical encyclopedia article on Outline of genetics
- Wikipedia's article - Outline of genetics
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