ANTH 311 Chapter Notes - Chapter 9: Prolactin, Y Chromosome, Puberty
23 May 2014
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Document Summary
Chapter nine developmental stages through the life cycle. This chapter describes the life cycle of primates (covering some of the same material covered in the life course lecture), with an emphasis on sex differences. It begins (fertilization to birth) with a description of how the sex of primates is determined (by whether the sperm is bearing an x or a y chromosome), in comparison with some other animals. Be sure to know the meaning of the terms in bold, such as heterogametic, homogametic, primary sex ratios and secondary sex ratios. The rest of the chapter is straightforward, considering maternal, paternal, and. Alloparental care of infants; then weaning conflict (predicted by parental investment theory), and then the challenges faced by juveniles. In the section staying alive (under juvenile challenges) strier explains that there are two strategies to reduce the risks faced by juveniles. Know what these two strategies are, and which primates tend to follow which.
