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Genetics and heredity — Question 27

QCAA 2023, Paper 1 · 3 marks

Q27 · 2023 · Paper 1Unclassified3 marks

QUESTION 27 (3 marks)

Clownfish have 24 pairs of chromosomes and reproduce via external fertilisation, with gametes initially created through meiosis. Females lay up to 1500 eggs and then males swim over the eggs and fertilise them.

Explain how the processes of independent assortment and random fertilisation create variation in the genotypes of clownfish offspring.

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