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  2. Dog coat genetics - Wikipedia

    en.wikipedia.org/wiki/Dog_coat_genetics

    Dogs have a wide range of coat colors, patterns, textures and lengths. [1] Dog coat color is governed by how genes are passed from dogs to their puppies and how those genes are expressed in each dog. Dogs have about 19,000 genes in their genome [2] but only a handful affect the physical variations in their coats. Most genes come in pairs, one ...

  3. Labrador Retriever coat colour genetics - Wikipedia

    en.wikipedia.org/wiki/Labrador_Retriever_coat...

    These dogs typically have a metallic-looking sheen to the hair. These are conformation disqualifications within the breed and are linked with a skin disease known as Color Dilution Alopecia. The gene affecting this colour variation in all dog breeds is the recessive 'dilution' (D) locus.

  4. Genetic variation - Wikipedia

    en.wikipedia.org/wiki/Genetic_variation

    Genetic variation can be identified at many levels. Identifying genetic variation is possible from observations of phenotypic variation in either quantitative traits (traits that vary continuously and are coded for by many genes, e.g., leg length in dogs) or discrete traits (traits that fall into discrete categories and are coded for by one or a few genes, e.g., white, pink, or red petal color ...

  5. Genetic differences in Chernobyl dogs may not be down to ...

    www.aol.com/lifestyle/genetic-differences...

    A previous study looked at genetic variants in the genomes of dogs near the abandoned plant, identifying 391 outlier DNA segments that differed between two populations.

  6. Chernobyl dogs do show ‘dramatic’ genetic differences – but ...

    www.aol.com/radiation-may-not-why-chernobyl...

    A previous study analysed genetic variants in the genomes of dogs near the nuclear plant and identified 391 outlier DNA segments that differed between two populations.

  7. Dog coat - Wikipedia

    en.wikipedia.org/wiki/Dog_coat

    A dog's coat is composed of two layers: a top coat of stiff guard hairs that help repel water and shield from dirt, and an undercoat of soft down hairs, to serve as insulation. [1] Dogs with both under coat and top coat are said to have a double coat. Dogs with a single coat have a coat composed solely of guard hairs, with little or no downy ...

  8. Selective breeding - Wikipedia

    en.wikipedia.org/wiki/Selective_breeding

    Additionally, selective breeding can lead to a variety of issues including reduction of genetic diversity or physical problems. The process of selective breeding can create physical issues for plants or animals such as dogs selectively bred for extremely small sizes dislocating their kneecaps at a much more frequent rate then other dogs. [55]

  9. Domestication of the dog - Wikipedia

    en.wikipedia.org/wiki/Domestication_of_the_dog

    Genetic studies indicate that the grey wolf is the closest living relative of the dog. [5] [16] Attempting to reconstruct the dog's lineage through the phylogenetic analysis of DNA sequences from modern dogs and wolves has given conflicting results for several reasons.

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