1887

Abstract

SUMMARY

The susceptibility to infectious RSV(RAV-O) of pure-bred and incross-bred chick embryos from the inbred Reaseheath and lines was studied, and a genetic hypothesis is proposed to explain the observed segregation of susceptible and resistant embryos. The results suggest (1) the presence of a dominant autosomal gene for susceptibility to RSV(RAV-O), designated , in the 1 line, and of its recessive allele, , in the line, and (2) the presence in the 1 line of an unlinked dominant, autosomal epistatic gene , which inhibits the expression of , and of its recessive allele, , in the line. The two loci are designated ‘tumour virus e ()’ and ‘inhibitor ()’.

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/content/journal/jgv/10.1099/0022-1317-13-3-455
1971-12-01
2021-10-19
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