Table 1

Mating table for one preference/one trait model
Males
x1 x2 x3 x4
Females x1 <a onClick="popup('http://www.biomedcentral.com/1471-2148/12/218/mathml/M2','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2148/12/218/mathml/M2">View MathML</a> <a onClick="popup('http://www.biomedcentral.com/1471-2148/12/218/mathml/M3','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2148/12/218/mathml/M3">View MathML</a> <a onClick="popup('http://www.biomedcentral.com/1471-2148/12/218/mathml/M4','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2148/12/218/mathml/M4">View MathML</a> <a onClick="popup('http://www.biomedcentral.com/1471-2148/12/218/mathml/M5','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2148/12/218/mathml/M5">View MathML</a>
x2 <a onClick="popup('http://www.biomedcentral.com/1471-2148/12/218/mathml/M6','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2148/12/218/mathml/M6">View MathML</a> <a onClick="popup('http://www.biomedcentral.com/1471-2148/12/218/mathml/M7','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2148/12/218/mathml/M7">View MathML</a> <a onClick="popup('http://www.biomedcentral.com/1471-2148/12/218/mathml/M8','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2148/12/218/mathml/M8">View MathML</a> <a onClick="popup('http://www.biomedcentral.com/1471-2148/12/218/mathml/M9','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2148/12/218/mathml/M9">View MathML</a>
x3 x3x1 x3x2 x3x3 x3x4
x4 x4x1 x4x2 x4x3 x4x4
Z = α(x1 + x3) + x2 + x4

Females with the preference allele prefer males bearing a trait by a factor α. Matings are normalized by Z so that all female genotypes have equal mating success.

Frame

Frame BMC Evolutionary Biology 2012 12:218   doi:10.1186/1471-2148-12-218

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