Exam (elaborations)
AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/2H Biology Paper 2H Mark scheme 2023
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(parents gamete genotypes shown) D d and d d (possible offspring genotypes correctly derived) Dd Dd dd dd correct identification of Dd offspring as having polydactyly probability must match derived offspring genotypes allow in either position in Punnett square allow correct de...
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