1887

Abstract

SUMMARY

Three factor crosses were performed between Rous sarcoma virus mutants with temperature-sensitive markers in the and genes and host range markers in the gene. A number of recombinant viruses appeared to segregate from virus particles which were heterozygous for all three genes under study. The frequency of various recombinant genotypes in the progeny was consistent with there being no greater linkage between the neighbouring gene pairs of and and and than between the more distant and . The significance of these results to proposed mechanisms of avian retrovirus recombination is discussed.

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1979-05-01
2021-10-26
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