Biology A-Level

one in four risk

What one in four risk means in Biology A-Level, as defined for AQA.

Definition of one in four risk

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Reference: AQA

The probability per pregnancy that two heterozygous parents produce a homozygous recessive offspring.

AQA · Inheritance (A-level only) (study guide)

Topics that use one in four risk

Inheritance (A-level only) (AQA A-Level)

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Using one in four risk in the exam

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