Figure 4From: Complete association between a retroviral insertion in the tyrosinase gene and the recessive white mutation in chickensLong-range PCR amplification of intron 4 in recessive white and wild type chickens. The size of intron 4 of the TYR gene is 13.7 kb in the recessive white (left) and 6.0 kb in the wild type chicken (right).Back to article page