ANT100Y1 Lecture Notes - Lecture 10: Micronutrient, Trisomy, Colistin
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Just as morphological variations in humans, we have a fantastic variety of gender and secual identities and biologies, respectively. Biological sex is a function of anatomy: Newer day"s: xy (male) xx (female), trisomy (xxx,xxy,xyy); pentasomy (including. Old days: external boys parts or external girl parts. New days: all kinds of fun external and internal parts! Biological sex is incredibly variable in plants and animals. Only girls reproducing through parthenogenesis (non-sperm reproduction) Seen in hundreds of insects and animal species. But not in humans until done so in a lab by accident. Sequential hermaphroditism: individual changes sex at some point in its life (nemo) male> female. female> male. Develop into males first, and when they mature, they become females. If dominant female is removed from group, largest and most dominant male becomes a female. Of spermatozoon"s carry x chromosome and other y chromosome.