Widespread male sterility and trioecy in androdioecious Mercurialis annua: Its distribution, genetic basis, and estimates of morph-specific fitness components.

However, the results of five F × H crosses are inconsistent with a model involving a single restorer locus: In all of these five crosses, progeny had a strong deficit of females (Figure 4B ), with the frequency of females being significantly <0.5 in four of the five crosses after Bonferroni correction, and the remaining cross being marginally significant.

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