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CABI Book Chapter

Horse genetics.

Book cover for Horse genetics.

Description

This third edition provides basic information on genetics in an easy-to-understand format. As before, the book includes introductory chapters on basic genetics that review terminology and fundamental concepts. At the same time, the text contains very specific information about the DNA variants associated with traits, scientific speculation about how those traits came to be, and advice on how to ap...

Chapter 10 (Page no: 109)

Frame overo and splashed white.

The nomenclature for white spotting in horses varies from region to region, influenced by the language and patterns in local horse breeds. Overo ("bird's egg pattern") is the term used in South America for a pattern that is often called sabino in North America. In the British Isles, terms are less discriminating and "painted", "piebald", "colored", and "skewbald" can include variation due to some KIT alleles, especially Tobiano, as well as overo-type patterns. Thus, there is significant variation in the terms used to describe these patterns, which often have no relationship to the underlying genetic mechanisms. Indeed, breeders generally appreciate that the patterns are hereditary but complex. Only when specific patterns are identified accurately in families or in breeds can the genetic bases be investigated. In this chapter, the genetic bases are described for two well-known white spotting patterns: frame overo and splashed white.

Other chapters from this book

Chapter: 1 (Page no: 1) Nature of horse breeds. Author(s): Bailey, E. Brooks, S. A.
Chapter: 2 (Page no: 7) Evolution and domestication of horses. Author(s): Bailey, E. Brooks, S. A.
Chapter: 3 (Page no: 16) Equus. Author(s): Bailey, E. Brooks, S. A.
Chapter: 4 (Page no: 29) The fundamentals of genetics. Author(s): Bailey, E. Brooks, S. A.
Chapter: 5 (Page no: 42) The language and patterns of genetics. Author(s): Bailey, E. Brooks, S. A.
Chapter: 6 (Page no: 57) Horse genomics. Author(s): Bailey, E. Brooks, S. A.
Chapter: 7 (Page no: 69) Black, Bay, and chestnut (Extension and Agouti). Author(s): Bailey, E. Brooks, S. A.
Chapter: 8 (Page no: 78) Color diluting genes. Author(s): Bailey, E. Brooks, S. A.
Chapter: 9 (Page no: 94) Tobiano, white, sabino, and roan (KIT). Author(s): Bailey, E. Brooks, S. A.
Chapter: 11 (Page no: 120) Leopard complex spotting. Author(s): Bailey, E. Brooks, S. A.
Chapter: 12 (Page no: 126) Gray, brindle, tiger eye, and curly. Author(s): Bailey, E. Brooks, S. A.
Chapter: 13 (Page no: 135) Putting it all together: color by design. Author(s): Bailey, E. Brooks, S. A.
Chapter: 14 (Page no: 140) Parentage testing. Author(s): Bailey, E. Brooks, S. A.
Chapter: 15 (Page no: 149) Blood groups and neonatal isoerythrolysis. Author(s): Bailey, E. Brooks, S. A.
Chapter: 16 (Page no: 153) Medical genetics. Author(s): Bailey, E. Brooks, S. A.
Chapter: 17 (Page no: 168) Cytogenetics. Author(s): Bailey, E. Brooks, S. A.
Chapter: 18 (Page no: 181) Major genes, quantitative trait loci, and marker assisted selection. Author(s): Bailey, E. Brooks, S. A.
Chapter: 19 (Page no: 188) Genetics of complex traits. Author(s): Bailey, E. Brooks, S. A.
Chapter: 20 (Page no: 197) Pedigrees and breeding schemes. Author(s): Bailey, E. Brooks, S. A.
Chapter: 21 (Page no: 208) Microbiome and mitochondria. Author(s): Bailey, E. Brooks, S. A.
Chapter: 22 (Page no: 216) Where do we go from here? Author(s): Bailey, E. Brooks, S. A.

Chapter details

  • Author Affiliation
  • University of Kentucky, USA.
  • Year of Publication
  • 2020
  • ISBN
  • 9781786392589
  • Record Number
  • 20203194491