female sexual drive
How does the "sexual selection", without intent to female partner to have children, work?

Example: After human beings away from their relatives, chimpanzees, humans began to lose the os penis, and started on the basis of the blood pressure to obtain an erection. According to Richard Dawkins, this was due to sexual selection "of women because of mounting hydraulics in the penis that would mean that the individual has blood pressure and absence of stress or other mental health problems. How the first wife of the man "elected" himself, until he lost the baculum, showing no effect (remember that evolution is not driven by objective)? boys Come!

Despite all the baculum of mammals penis ED. The bones have a complex system of hormonal control. They share genes and gene networks can produce and develop sequentially ends. No dysplasia syndrome faciogenital demonstrates this correlation. Given the existence of a common regulator, perhaps others. The sharing of a gene often regulates tissue-specific manner. Maybe move to an upright posture bipedalism is also up involved in a change in the baculum. Bone loss can lower the limit on how the knee was able to flex in a vertical position and locking. Men with penile bone also reduces a stronger erectile function would be less affected by the loss of the baculum, but also had the advantage this change of attitude. These pleiotropic effects could explain the changes that occurred two bones in humans. http://books.google.com/books?id=B8ooFVfNsLAC&pg=PA329&lpg=PA329&dq=human+bipedalism+baculum+loss&source=web&ots=-TNt3WrAIX&sig=AxktD8vKa1_FvdQR5mzy9CXH6GU I think that sexual selection is well below the selective pressure on something so essential to the success of reproduction that the baculum.

Low female sex drive

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Filed under: Womens Health

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