Activity 2: Predict through Punnett Square Directions: Draw a Punnett square. Represent the female sex chromosomes with XX and the male sex chromosomes with XY. Predict the possible genotype of the offspring. Х Y Х 1.) XY х XX 2.) Guide Questions: 1. Give the Genotype: 2. Give the Phenotype: 3. What will be the sex of a child produced when an egg is fertilized by a sperm with Y chromosome?
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X X
X XX XX
Y XY XY
1. genotype: 50% XX, 50% XY
2. phenotype: 50% female, 50% male
3. male