What are the different forms of a gene called?

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Multiple Choice

What are the different forms of a gene called?

Explanation:
Alleles are the different versions of the same gene that occupy the same spot on homologous chromosomes. They arise by mutation and create variation in traits within a population. An individual carries two alleles for each gene (one from each parent), which can be the same (homozygous) or different (heterozygous). The phenotype is what you see—the outward trait—often influenced by which allele is dominant. The genotype is the actual pair of alleles an organism has. The locus is simply the gene’s specific location on the chromosome.

Alleles are the different versions of the same gene that occupy the same spot on homologous chromosomes. They arise by mutation and create variation in traits within a population. An individual carries two alleles for each gene (one from each parent), which can be the same (homozygous) or different (heterozygous). The phenotype is what you see—the outward trait—often influenced by which allele is dominant. The genotype is the actual pair of alleles an organism has. The locus is simply the gene’s specific location on the chromosome.

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