Based on the information provided about the allele combinations involved in determining hair color, we can match the individuals accordingly:
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Father’s Father: Since the father has brown hair but contributes to a child with blonde hair (bb), we can deduce that he must have a 'B' (brown hair) and a 'b' (blonde hair) allele. Therefore, the combination is Bb (heterozygous brown).
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Father: The father has brown hair, and since his mother is Bb and the child's genotype is bb, he must have the allele combination Bb.
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Mother’s Father: The mother’s father has blonde hair. Since his daughter (the mother) has the combination Bb and needed to contribute a b to the child, his allele combination must be bb (homozygous blonde).
Here is the final matching:
- Mother’s Father: bb
- Father: Bb
- Father’s Father: Bb
Feel free to adjust the placements you need based on this information!