match the vocabulary word with the proper definition. definitions 1. occurs when the dominant allele is not completely dominant 2. closely associated with appearance 3. an example of a characteristic due to multiple alleles 4. controlled by more than one gene 5. the expressed allele in a heterozygote 6. cell division involved in gamete formation 7. used to determine the expected percents of different genotypes in offspring 8. an alternative form of a gene 9. chance that a certain event will occur 10. only expressed when the other allele is absent 11. occurs when both alleles are expressed equally in the phenotype of the heterozygote