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A heterozygous genotype consists of a dominant gene and a recessive gene. Homozygous genotypes consist of two dominant genes (Homozygous Dominant) ro two recessive genes (Homozygous Recessive).

Heterozygous: Xx

Homozygous: Dom. XX

Rec. xx

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10y ago
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11y ago

A heterozygous genotype has two different alleles. For example, a tall pea plant that is heterozygous would have the genotype Tt, with the T representing the tall allele, and the t representing the short allele.

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13y ago

A heterozygous individual would have two different alleles of the same trait. For example, Tt.

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11y ago

To represent a heterozygous genotype, you would you two DIFFERENT letters. Whether it would be lower case or upper case depends on if it's dominant or not.

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Q: Which is a heterozygous or hydrid genotype?
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