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Validation, QC & Genotyping

Colony Management / Backcrossing

Procedures necessary to maintain healthy and genetically defined mouse lines. Backcrossing involves introducing a targeted mutation onto a standardized inbred background to minimize genetic variability.

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Overview

Colony management includes all procedures necessary to maintain healthy and genetically defined mouse lines. Backcrossing involves introducing a targeted mutation onto a standardized inbred background to minimize genetic variability and ensure consistency.

Frequently Asked Questions

How many generations of backcrossing are needed?

Backcrossing for ≥10 generations achieves >99% background purity on the chosen inbred strain.

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Related Terms

Breeding Scheme (Hetero × Hetero, etc.)

Planned mating strategies used to generate offspring of specific genotypes—such as heterozygous, homozygous, or compound mutant combinations—from established genetically modified lines.

Zygosity (Heterozygous vs Homozygous)

Describes whether the two copies of a gene in an organism are identical (homozygous) or different (heterozygous). Determining zygosity is crucial for interpreting phenotypes and designing experiments.

Genotyping PCR / qPCR

Molecular methods used to detect, confirm, and quantify genetic modifications in engineered mouse models. These assays verify whether the targeted allele, wild-type allele, or transgene is present in an individual animal's DNA.

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