heterologic

Thân thiện

A word is heterologic if it does not describe itself.

Definition

1. Adjective:
   • Not corresponding in structure or evolutionary origin: Describes entities, typically biological structures or genes, that are dissimilar in their form, development, or evolutionary history, indicating they do not share a common ancestral source.

Usage Examples

• Adjective:
  • The wings of birds and insects are heterologic; they serve similar functions but evolved independently.
  • Scientists identified the genes as heterologic, meaning they arose from different ancestral sequences.

Advanced Usage

• In evolutionary biology: Used to describe analogous structures (convergent evolution) where similar functions evolve separately in unrelated lineages.
  • The analysis confirmed the heterologic nature of the two enzymes, ruling out a common ancestor.

Variants and Related Words

• Heterologous (adj): Often used interchangeably in biological contexts to mean derived from a different species or not corresponding in structure/position. (e.g., ).
• Heterology (n): The state or condition of being heterologic.

Synonyms

• Analogous: Similar in function but not in evolutionary origin.
• Non-homologous: Not sharing a common ancestral origin.

Antonyms

• Homologous: Corresponding in structure, position, and evolutionary origin.
• Orthologous: Specifically describing genes in different species that originated from a common ancestral gene.

Học thuật

Adjective

1. not corresponding in structure or evolutionary origin

Từ đồng nghĩa

• heterologous
• heterological