C57BL/Rl Stock
ORNL Availability	Frozen Embryos
Propagated Genotype *	a/a
Frozen Embryo Genotype	Available on request
ORNL Strain Type	Inbred
Formal Name	C57BL/Rl
Breeding History	> F100. From Heston, January 1948.
Specific alleles involved:	a

* Assume the wild-type allele is present at any locus for which no allele is entered in the genotype field.