The genotype in which two alleles of a gene are different is called ________.The effects on a trait will depend on how the two alleles interact.

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Heterozygous refers to an individual with two different alleles of a gene. The effects on a trait in a heterozygous individual will depend on how the two different alleles interact. Homozygous refers to an individual with two identical alleles of a gene. Codominance refers to a situation where both alleles in a heterozygous individual are expressed equally in the phenotype. "Crossed" is not a common term in genetics and does not accurately describe the genotype in which two alleles are different.

The Genotype in Which Two Alleles of a Gene Are