homologous Definition
- 1having the same relation, relative position, or structure, in particular.
- 2Biology: having the same or a similar relation; corresponding, as in relative position or structure.
Using homologous: Examples
Take a moment to familiarize yourself with how "homologous" can be used in various situations through the following examples!
Example
The wings of a bird and the arms of a human are homologous structures.
Example
The two species have homologous genes that code for the same protein.
Example
The two words have homologous meanings in different languages.
homologous Synonyms and Antonyms
Synonyms for homologous
Antonyms for homologous
Phrases with homologous
homologous chromosomes
a pair of chromosomes that contain the same genes in the same order
Example
During meiosis, homologous chromosomes pair up and exchange genetic information.
a series of organic compounds with similar structures and chemical properties, differing from each other by a repeating unit
Example
The alkanes are a homologous series of hydrocarbons.
the exchange of genetic material between homologous chromosomes
Example
Homologous recombination is an important mechanism for DNA repair.
Origins of homologous
from Greek 'homologos', meaning 'agreeing'
Summary: homologous in Brief
The term 'homologous' [huh-mol-uh-guh s] refers to having the same relation, relative position, or structure. In biology, it refers to having the same or similar relation, corresponding in relative position or structure. Examples include homologous structures like the wings of a bird and the arms of a human, and homologous genes that code for the same protein. The term extends into phrases like 'homologous chromosomes,' which are pairs of chromosomes that contain the same genes in the same order.