OMIA 000030-9031 : Alopecia, generic in Gallus gallus

In other species: cattle , dog , sheep , domestic cat , Rhesus monkey

Possibly relevant human trait(s) and/or gene(s)s (MIM numbers): 104000 (trait) , 104110 (trait) , 203655 (trait) , 612421 (trait) , 610753 (trait) , 300042 (trait) , 109200 (trait) , 300710 (trait)

Mendelian trait/disorder: yes

Mode of inheritance: Multifactorial

Considered a defect: yes

Key variant known: no

Cross-species summary: Absence of hair, wool or feathers due to loss of hair (not in reference to primary genetic hair, wool, feather-lessness)

History: This disorder is one of the characteristic features of the DAM line of chickens (see OMIA 000034-9031).

Inheritance: Somes (1990) includes this in his list of inherited traits, classifying it as "probably polygenic"


1990 Somes, R.G. Jr :
Mutations and major variants of plumage and skin in chickens. In "Poultry Breeding and Genetics" (ed. R.D. Crawford), Elsevier, Amsterdam; Chapter 6 :169-208, 1990.

Edit History

  • Created by Frank Nicholas on 28 Nov 2012
  • Changed by Frank Nicholas on 28 Nov 2012