BIOL 3062 Lecture Notes - Lecture 12: Haplodiploidy, Bighorn Sheep, Game Theory
1 May 2017
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Document Summary
Control of parents to determine production of male or female offspring: shifting the sex ratio of offspring, differential production or motility of x and y sperm, differential implantation or abortion, environmental sex determination. Laying eggs in certain temperature environments can effect sex of offspring: differential neglect of offspring, selectively putting more parental effort into caring for more fit offspring. Having more females than males in a population is not always most effective mating environment. Need reproductive success/value in females as well as males: reproductive success equally valuable in males and females. Game theory model: when there are only a few males in the population, more valuable to create more male offspring so females have available mates, females more valuable when rare, less valuable when common. Biased sex allocation: interactions among relatives female offspring. Local resource enhancement: helping with acquisition of resources, ex.
