Localization of the α and β casein genes to the q24 region of chromosome 12 in the rabbit (Oryctolagus cuniculus L.) by in situ hybridization

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Abstract
The syntenic α and β casein genes were localized in the rabbit by chromosomal in situ hybridization, using a mixture of two radioactive cDNA probes corresponding to these two genes. Highly significant labeling was observed on chromosome 12. A total of 175 silver grains was found on chromosomes in the 193 mitoses studied; 18% of the grains were on chromosome 12, and 42% of the grains on this chromosome were localized to the 12q24 region. Statistical analysis revealed that this labeling was highly significant.