Xanthochroism

Definition

A condition in which an organism exhibits an unusually high amount of yellow pigmentation, often due to a genetic mutation or dietary factors.

Etymology

From Greek 'xanthos', meaning 'yellow', and 'chroia', meaning 'color' or 'complexion'.

Example

Some butterflies exhibit xanthochroism, displaying a predominantly yellow coloration instead of their regular pigmentation.

Synonyms

• Xanthism

Related Terms

• Melanism
• Leucism
• Albinism

Usage Notes

Xanthochroism can occur in various organisms, including insects, birds, and reptiles, and is often contrasted with other pigment variations such as melanism and albinism.