In 1915, wrote: Granted that while this taste and preference prevails among the females of the species, the males will grow more and more elaborate and beautiful tail feathers, the question must be answered "Why have the females this taste? These include , , , , and.
In 1976, prior to Weatherhead and Robertson's paper, had written in his book : In a society where males compete with each other to be chosen as he-men by females, one of the best things a mother can do for her genes is to make a son who will turn out in his turn to be an attractive he-man.
Other words carry a tone of judgment, indicating that such things are offensive or inappropriate, including and.
The main difference between good genes and the sexy son hypothesis is that the latter assumes an indirect effect due to the attractiveness of the sons, whereas good genes focus on the viability of both sons and daughters.
Behavioral Ecology and Sociobiology.
One ER tech was fucking several of the nurses and techs, he was younger with a big cock and HUGE libido.
Description: However, "attractiveness" is not narrowly defined, and can refer to every trait that increases a male's probability to become polygynous.