Why is the sex chromosomes of humans and most animals written as XY while for birds it is ZW 931 viewsJanuary 3, 2024 Question99.88K July 15, 2021 0 Comments Why is the sex chromosomes of humans and most animals written as XY while for birds it is ZW In: Biology 12 Answers ActiveNewestOldest Anonymous Posted July 16, 2021 0 Comments Sorry for my funny first thought: I immediately thought it’s because a duck’s dong is shaped like a cork and he’s gotta wind that up the bottom of the W. You are viewing 1 out of 12 answers, click here to view all answers. Register or Login
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