1 Draw Times New Roman B I U # ✔ Y Font Paragraph 5 20 #E 1 12 3 45-1 SEE PCB 3063-Sec 799 Homework 3 Question 3: In Chapter 3, we discuss various mechanisms of sex determination, including the XX/XY system of placental mammals, and the ZZ/ZW system of birds. Monotremes, the most primitive mammals, have a very intriguing sex determination scheme that shares elements of both of these systems. Please use the internet to learn more about how sex in monotremes is determined. Then write a short essay (300-400 words) describing this system and comparing/contrasting it to the XX/XY and ZZ/ZW systems. You need to include at least two references. abc Y 12 X₂ x A A 1 Aa alty 151 !!! 111 Ficip Y 21

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