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An individual with a heterozygous genotype cannot be true-bred.

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Wiki User

12y ago
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2mo ago

A heterozygous genotype (e.g. Aa) is not true-breeding because it carries two different alleles for a trait and can produce offspring with different genotypes when crossed. True-breeding genotypes are homozygous for a particular trait (e.g. AA or aa) and will consistently produce offspring with the same genotype when crossed.

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Q: What genotype is not true-breeding?
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