BIOLOGY 1M03 Lecture Notes - Lecture 4: Gametogenesis, Zygote, Red Wolf
11 Aug 2018
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Female choice: female choose mates on basis of: physical characteristics that signal male genetic quality ( "honest advertising", "good alleles", resources or parental care provided by males ("nuptial gifts", male-male competition. Honest advertising: beak colour of male finches is influenced by nutrition: this beak colour influences their "sexiness" Could the loss of the baculum in humans be a consequence of sexual selection all primates except humans have a baculum- a bone in the penis. It has been proposed that this bone may have been lost in humans in response to sexual selection for "honest advertisement: erectile dysfunction can be a consequence of poor health, stress, or mental illness. If polyandry is advantageous, to prevent male monopolization of eggs (having multiple eggs with multiple males, males get protective so must get rid of them) Many males have no pups but a few have lots.
