WACE ATAR Biology Practice Questions - WACE Year 12 ATAR Biology (Units 3 & 4) Exam

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In Mendelian monohybrid genetics, what phenotypic ratio is expected in the F2 generation from a cross between two heterozygous parents (Aa x Aa)?

1 : 2 : 1 (Dominant : Heterozygous : Recessive) 9 : 3 : 3 : 1 3 : 1 (Dominant : Recessive) 1 : 1 (Dominant : Recessive)

Correct Answer:

3 : 1 (Dominant : Recessive)

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