True-breeding

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Definition

Two organisms that are described as true-breeding for a trait, when crossed, will always produce offspring with exactly the same genotype as them for that trait. This means true-breeding organmisms are homozygous for the true-breeding trait, It is important to remember that this applies both dominant or recessive traits.


References

Hartl D.L, Ruvolo M, (2011) Genetics analysis of genes and genomes, 8th edition:Jones and Bartlett Publishers, Inc. 82-83

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