. A Punnett Square* shows the genotype*s two individuals can produce when crossed. dog genetics calculator A dominant version of Locus K (Kb) is responsible for the Dominant Black coloration that is seen in dogs such as the Labrador Retriever. You can find out more about the impact of inbreeding in our, You can find out more about inbreeding, genetics and DNA testing in a number of films available on, 0% = a dog with two apparently unrelated parents (based on all available pedigree information), 12.5% = the genetic equivalent of a dog produced from a grandfather to granddaughter mating, or the mating of a half-brother/sister, 25% = the genetic equivalent of a dog produced from a father to daughter mating, or the mating of full-brother/sister, More than 25% - inbreeding is accumulative, so if it has occurred to a significant degree over several generations, the inbreeding coefficient may exceed 25%, When using our CoI calculators always check the about this calculation section to see how many generations have been used for calculation, If this indicates that only the first three generations are fully complete, you may wish to use the CoI result with care, If additional pedigree information or inbreeding resources are available to you, then you may wish to consult these. The Four Basic Fonctions of Colour Genes The genes that contribute to the colour and the patterns of colour seen in the dog can be grouped into four levels of function: Genes for basic colours, including Agouti (Locus A), Extension (Locus E) Locus K and Locus C. These are the genes that make the pigments that give the basic colour to the dog. Note that this is just an estimate, and your puppy's final weight may vary depending on various factors such as breed, nutrition, and genetics. sw Extreme white spotting gives an almost entirely white dog, usually with a bit of pigment left on the head. Dilution is a recessive trait that will modify normal black pigmentation to give a grey colour (d/d) called either Blue, Grey or Slate depending on the breed. It is advised to maintain a coefficient of inbreeding that is below 10% which should allow a number of desired traits to be fixed without allowing the undesirable effects of inbreeding to become too pronounced. In general, the lower the percentage, the lower the degree of inbreeding. Homozygous genotype signifies the presence of two identical alleles (both normal or identically mutated - AA or aa). Copyright 2013-2023 All Rights Reserved. of Molecular Biomedical Sciences at the NC State University College of Veterinary Medicine. If a number of breeding possibilities are available that will reduce the average inbreeding coefficient within the offspring compared to the breed average, then ideally the breeding that will result in the lowest inbreeding coefficient while still maintaining the desired traits for the breed is recommended. For example, in a hypothetical breeding between a dam and a sire who are both carriers for yellow/red coat color (E/e) and brown coat color (B/b), the calculator will produce the following results: The Disease Calculator only works with dogs that have genetic test results found in your account.

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