1. A ____ square is used to determine all combinations of how parents can pass on their alleles.
2._________ is the physical expression of a particular trait?
3. If offspring inherit a dominant black allele and a recessive white allele what is the genotype of Bb? ___________
4. Is the dominant or the recessive allele expressed?_________
5. The________ allele is hidden but can be passed down do the next generation
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