Author:
EDH KRISTINA,WIDÉN BJÖRN,CEPLITIS ALF
Abstract
SummaryIn the Brassicaceae plant family, which includes theArabidopsisandBrassicagenera, self-incompatibility (SI) is controlled by genes at theSlocus. Using experimental crosses, we studied the pattern of inheritance ofS-locus alleles in the wild speciesBrassica cretica. Four full-sib families were established and unequal segregation of alleles at theSRKSI gene was found in one family. The segregation distortion acted in favour of a recessive (class II) allele and was best explained by some form of gametic-level selection. Our findings are discussed in the light of theoretical predictions of differential accumulation of deleterious mutations amongS-locus alleles.
Subject
Genetics,General Medicine
Cited by
2 articles.
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