Eyecolor

Black

Reference information

Name	Black
Genotype	?/? or Be^be/-
Mandatory picture?	No
Frequency (all time)	73.03 % (36,019 rats)
Frequency (in the last 2 years)	76.4 % (1,525 rats)
Average lifespan (all causes)	22.3 months (♀: 22.7 months – ♂: 21.9 months)

Description

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