The Wonders of Horse Coat Color. Objective 3. Objective 1. Objective 2. The colors of. Search the web for horses. horses. The Genetic. The colors. Explanation. To Finish. O. Link to horse. Click here after. classifieds. Internet assign.
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Search theweb for horses
Link to horse
Click here after
At #2 loci: 2 alleles possible, B and b. This loci codes for skincolor. B is black and dominant. The recessive b codes for brown.Basic Color Determinants
At loci #4: 3 alleles possible, ED, E, and e. (Listed in order of dominance.) These genes act in conjunction with the genes at loci #1and #2, and code for pigment intensity. ED raises the intensity of dark pigment. E produces normal pigment distribution. The allele e supresses black and brown pigments, and increase the intensity of the colors yellow and red.
At loci #5: 2 alleles possible, D and d. These genes are dilution genes. D is dominant and dilutes all colors. The allele d is recessive and produces a non-diluted, normal coat color.Regulation of Pigment
When you are finished,
go back to the
When you get to the internet sight you will want to run a search. You may then select what type of ad you are looking for, what state it is from, what breed of horse you want, what discipline the horse is in, etc. Be sure to click the list photo ads only box before you run the search!
Find a horse you like. Look at its picture and identify its color. Record this information on your worksheet (#10a).
Web link to horse
Your worksheet should be filled out (keep it until it is collected by the teacher)
You should have learned the colors of horses
You should now understand why coat color occurs
You should have found a horse you like on the web and identified its coat color
You should have also genetically explained the internet horse’s coat color
1. Evans, Warren. Horses. W.H. Freeman and Co., New York, p. 51-4, 580-91.
YOU SHOULD HAVE HAD FUN!