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    Mapping on appaloosas - part 2
    • Aug 13, 2021

    Mapping on appaloosas - part 2

    While some appaloosa spots have mapping from dark skin, the majority of the edging effects on appaloosas are from mixing white and...
    Mapping on appaloosas - part 1
    • Jul 21, 2021

    Mapping on appaloosas - part 1

    The borders around appaloosa patterns are less uniform in width and placement than those on pinto patterns. This post gives a brief...
    Mapping on pintos - part 2
    • Jul 20, 2021

    Mapping on pintos - part 2

    This is the second in a series of photos with detail shots of mapping on pinto markings In the previous post, I mentioned that mapping...
    Mapping on pintos - part 1
    • Jul 16, 2021

    Mapping on pintos - part 1

    For those who attended the BreyerFest horse color seminar, here are examples of mapping on pintos. If you watched the seminar on...
    BreyerFest 2021
    • Jul 15, 2021

    BreyerFest 2021

    This post gives an update on the new information site and links to new digital publications available for downloading. Over the years I...
    An overview of the sabino patterns
    • Jul 5, 2021

    An overview of the sabino patterns

    This post gives an overview of this complex group of patterns and gives a brief explanation of how they have been named. Perhaps no other...
    Terminology - the generic sabino
    • Jul 4, 2021

    Terminology - the generic sabino

    The convention the author of this blog follows is to use "sabino" (lowercase with no number) as the generic term for those patterns...
    Terminology - it's all "white-spotting"
    • Jul 3, 2021

    Terminology - it's all "white-spotting"

    This is not a more specific term than sabino, but rather a generic term for the absence of pigment cells. In genetics, mice are used as a...
    Terminology - Dominant White
    • Jul 3, 2021

    Terminology - Dominant White

    Rumors of the demise of this term are misleading. It's still widely used in the research community. The hunter mare pictured above...
    Artificial coloring
    • Jan 3, 2020

    Artificial coloring

    The use of henna to dye the legs of horses is traditional in some countries and disciplines. Recently some photos were shared on social...
    Recoloring
    • Jan 2, 2020

    Recoloring

    White patterns leave areas of the coat without color, but these patterns appear to add the color back again to those areas. Notebooks are...
    A bit about explanatory models
    • Dec 31, 2019

    A bit about explanatory models

    In online settings, the most common explanatory model for talking about horse color is the base-plus-modifier concept. There are others...
    Citizen Science
    • Dec 30, 2019

    Citizen Science

    "Citizen science" is where members of the public participate in scientific research. It is how this blog came to be, and something it...
    The new full-color book is officially released
    • Jul 19, 2014

    The new full-color book is officially released

    The second release in the Equine Tapestry series – An Introduction to Colors and Patterns – is now available. The blog has been quiet for...
    Reminder – deadline for W20 samples
    • Apr 12, 2014

    Reminder – deadline for W20 samples

    The deadline for submitting samples for the W20 Project is coming up, so send them soon if you want your horse included! I wanted to post...
    A teaser image from the book
    • Mar 28, 2014

    A teaser image from the book

    Some close-up images of the reversed dapple pattern on a gold champagne Appaloosa mare, with comparisons to a sooty dapple palomino. I...
    The W20 Project
    • Mar 25, 2014

    The W20 Project

    A project to raise funds and collect samples is underway to better understand the W20 variant in the W-series of patterns. I mentioned in...
    "W" is for white-spotting
    • Mar 17, 2014

    "W" is for white-spotting

    One way of looking at the inclusion of sabino phenotypes in the W-series is to assume that it refers to "white spotting" in general,...
    A family of diverse colors
    • Mar 14, 2014

    A family of diverse colors

    Tobiano, roan, sabino and dominant white are all mutations that involve the same gene - KIT - which is important for understanding how...
    So what happened to all the sabinos?
    • Mar 13, 2014

    So what happened to all the sabinos?

    What are the differences between dominant whites and sabinos? In terms of phenotype, they do not look different. As I mentioned in the...
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