LESSON 2: SEX DETERMINATION ACTIVITY 2: WHO AM I? Objective: Identify whose sex chromosomes determine the sex of the offspring Materials pen and answer sheet Procedure Study Figure I carefully and supply the correct answer to each question in the story. Figure 1: Sex Determination Parent Gametes Fertilization Zygote Female XX XX Male XY XY XX XY XX XY Female XX Male Female XY XX XY
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