Eyecolor

Black

Reference information

Name	Black
Genotype	?/? or Be^be/-
Mandatory picture?	No
Frequency (all time)	72.88 % (34,821 rats)
Frequency (in the last 2 years)	75.68 % (1,276 rats)
Average lifespan (all causes)	22.3 months (♀: 22.7 months – ♂: 22 months)

Description

Wildtype, or specific gene hypostatic of C-locus mutations.