Section: Biology

4) All of the following statements are correct regarding alleles EXCEPT:

1. A gene can have more than one allele.
2. Two identical alleles are said to be heterozygous with respect to that gene.
3. Alleles are found on corresponding loci of homologous chromosomes.
4. Alleles are alternative forms of the same gene.
5. One allele can be dominant and the other can be recessive.

Two identical alleles are said to be homozygous not heterozygous with respect to a gene.