increased homozygosity
increased homozygosity
increased homozygosity
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Sensory bias and female preference…<br />
Zebra finches females prefer males with an artificial white crest<br />
Explanation 3: Indirect benefits. Females prefer males with traits that<br />
indirectly benefit the female or her offspring.<br />
a) “Sexy son” hypothesis (= Runaway sexual selection)<br />
(=“Fisherian model”)<br />
Sons inherit trait that made father attractive to mother (mating success);<br />
favored by future generations of females<br />
These successful<br />
males will pass on the<br />
alleles for the trait<br />
(expressed in their<br />
sons) and the alleles<br />
for the trait preference<br />
(expressed in their<br />
daughters).<br />
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