DNA sequences that are close together on a chromosome tend to be inherited together. Because of this, we can use genetic variation surrounding a specific variant (i.e. "linked" to it) to infer the presence or absence of a variant that is linked to a health condition or trait. Linkage tests are not as predictive of your dog's true genotype as direct assays, that we use on most other genetic conditions we test for.
Articles in this section
- Can you tell me more about the “old” versus “new” Type II von Willebrand Disease (vWD) test?
- Is your SPAID test the same as Cornell's test?
- My dog only has one copy of the Primary Lens Luxation (PLL) variant, yet they are listed as At-Risk. Why is this?
- What does a "no call" result mean?
- What is a Linkage Test?
- Why are there so many tests for PRA, and what do the results mean for my dog or breeding program?
- Do you test for color dilution alopecia?
- What do the DCM1 and DCM2 results mean for my dog or my breeding program?
- How do I interpret your results and how do I use them to make breeding decisions?
- What does the Degenerative Myelopathy (SOD1A) result mean for my dog or my breeding program?
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