Eyecolor

Black

Reference information

Name	Black
Genotype	?/? or Be^be/-
Mandatory picture?	No
Frequency (all time)	73.1 % (36,738 rats)
Frequency (in the last 2 years)	76.81 % (1,378 rats)
Average lifespan (all causes)	22.4 months (♀: 22.7 months – ♂: 22 months)

Description

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