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Genetics and heredity — Question 18

QCAA 2025, Paper 1 · 1 mark

Q18 · 2025 · Paper 1Unclassified1 mark

QUESTION 18

Which mutation is likely to have the greatest effect on the viability of an embryo?

(A) a point mutation in a HOX gene

(B) a point mutation in the SRY gene

(C) a frameshift mutation in a HOX gene

(D) a frameshift mutation in the SRY gene

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