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good genes hypothesis
good genes hypothesis The good genes hypothesis is the idea that females may prefer mates with traits linked to higher genetic quality because this can give their offspring indirect fitness advantages.
The good genes hypothesis is the idea that females may prefer mates with traits linked to higher genetic quality because this can give their offspring indirect fitness advantages. In the source, it is supported by females favoring larger, more heterozygous males and by extra-pair offspring being more heterozygous than their half-siblings.