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Cambridge Secondary (7-9). Stage 9. Science. Learner's Book - Unit 7: Genes and inheritance - Question 16

Cambridge Secondary (7-9) · Unit 7: Genes and inheritance

Question 16

The egg pot contains 30 X pieces; the sperm pot contains 15 X and 15 Y pieces. Draw one piece blindly from each pot without replacement until all 30 pairs have been used. When you have used up all the chromosomes in the sex-inheritance model, add up the total numbers of female and male zygotes you have produced.
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