Figure 1.

Graphic depiction of JHU Pedigree. Pedigree 1 (PI) illustrates matings of white to white cats in the JHU archival colony. Pedigree 2 illustrates pedigree developed to map the W locus that is segregating for White coat color. Phenotype of individuals is indicated by color symbol and outline. White symbols denote individuals with a white coat; gray, fully pigmented individuals; half and half symbols (gray/white), white spotted individuals). Hearing capacity is indicated by color outline of the symbol: red outline, deaf; blue, partial hearing; green, normal hearing; black, unknown. Genotypes are depicted below symbol: W, White allele (W, insert of solo LTR; w^s, White Spotting allele (insert of full-length FERV element); ^w, wild-type (no insertion).