adjective
- not having the same or similar structure, position, or evolutionary origin
Usage: biology; genetics
Examples
- The nonhomologous chromosomes failed to pair during meiosis.
- Scientists compared homologous and nonhomologous DNA sequences.
- The wings of birds and insects are nonhomologous structures.
- Nonhomologous recombination can lead to genetic mutations.
- The researcher identified nonhomologous genes between the two species.
- These nonhomologous proteins have different evolutionary origins.