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Curious as to what color your foal will be when crossing your red (chestnut/sorrel), bay, or black mare to Chippewa? The below chart will help with the possible color outcomes. If you would like more information, following is an explanation to the genetic phenonenom that occurs when reds, bays, and blacks are bred to cremellos (color genetic information from Dr. Sponenburg's book 'Equine Color Genetics').

palomino Foals will be palomino everytime you cross a chestnut or sorrel to First Class Chippewa. If your mare is a bay and heterozygous for the black factor (tests "Ee") then she should throw 50% palominos, 50% buckskins.
palomino Many bays will throw a buckskin when crossed with First Class Chippewa. If your bay is homozygous for the black factor ("EE") then she should throw a buckskin every time.
palomino First Class Chippewa can never produce a red colored foal.
palomino Your foal will never be bay when breeding to First Class Chippewa.
palomino With many cremellos a possibility of creating a smoky black foal exists. However,test results arrived from UC Davis announcing Chip can not produce a black foal. He can only produce palominos and buckskins from reds, bays and blacks! Agouti test results 'A,A' (meaning no solid black gene present)! Exciting news!

AS many of you know, horses come in only 3 basic colors; reds (chestnut/sorrels), bay and black. That's it. Any other color is just a variation to these 3 basic colors and are due to contributions of other coat color genes responsible for adding lighter or darker shades, certain patterns (i.e. dun), or even adding spots or white hair to the horse's coat color (tovero, overo, tobiano, etc..). Other genes responsible for the colors we love so much are creme, dun, champagne, sooty, mealy, shade, tobiano, sabino, rabicano, and overo just to name a few.

A cremello is a chestnut lightened twice because of his 2 copies of the dilution creme gene "Cr+, Cr+". A perlino is a bay lightened twice due to his 2 copies of the dilution gene. And a smoky cream is a black lightened twice with 2 copies of the dilution gene. (Although this gene is technically called the 'cremello' gene, many people know of it as the dilution creme gene, so I'll refer to it as 'dilution' here forward.) All these horses are known as "double dilute" horses. One copy of the dilution gene allows for the horses basic color of chestnut or bay to be lighted to a palomino or buckskin, respectively, and these horses have just one copy of the dilution gene "Cr+, -". When an animal posesses two copies, their basic color is lightened even further to either a cremello, a perlino, or a smoky cream. These horses were once thought to be albino horses, however, albinos don't exist in the horse world (refer to Dr. Ann Bowling, UC Davis)! Ever see a horse with red eyes??? Me neither.

When cremellos are bred to a another horse they will ALWAYS contribute one copy of the dilution gene! Therefore, the chestnut based foal will be lightened to a palomino and the bay based foal lightened to a buckskin. But wait, it's not just that simple. Some bays can produce palominos for they may be heterozygous for the black factor (E,e). If that mare doesn't pass on that one black factor gene she may pass on a red factor (chestnut) gene and, therefore, produce a palomino.

Nope, not a chance. Not unless he is carrying the lethal white gene generally found in overo Paint horses. The color cremello is not the cause of lethal white foals, only the overo gene is. Cremello is a color and is NOT an overo expression. In order for a lethal white foal to be created both parents need to have an overo gene. For example, one of Chippewa's parents needs to have a genotype positive for the overo lethal white for him to possibly pass on the overo gene. Even then, the mare he breeds needs to contribute an overo gene as well to create a lethal white foal . First Class Chippewa is Quarter bred and does not carry an overo lethal white gene. However, a different cremello overo stallion or Paint bred cremello may carry it. Generally, AQHA cremellos are solids and are safe for breeding to paints.

Horses in Chippewa's pedigree do not have blue eyes. Double diluted horses like Chippewa do have blue eyes due to light skin and eye pigment. Any offspring from a cross with a solid mare to Chip will have brown eyes unless the brood mare is from Paint/Pinto lines, has lines known for blue eyes, or the foal has excessive white face markings. To date, any partial or full blue eyed foals from Chip have been due to the dam being a Paint mare. No AQHA crosses have had blue eyes.

It is thought that the three basic colors (chestnut, bay, black) are derived from two different loci. A locus (loci for plural) is an address or a location where two genes live on a chromosome pair. One gene is contributed by the sire and the other by the dam. Simply put, a loci with its' two genes represent a trait. Loci are located in the same place on the same chromosomes for whatever trait it respresents which is why genetic mapping is possible. For the basic coat colors there are two loci responsible for the 3 basic colors. Sound confusing? It's really not! The first locus to consider is the Extension locus. The Extension locus holds its' two genes and determines whether the horse will be chestnut or not. The other locus is called the Agouti locus and its' two genes are responsible for determining whether the horse will be a bay or black. It's real function is to determine whether the black expressed will be restricted to the points (bay) or if it will be spread uniformily over the entire horse (black).

There can be many types of genes that exist in a particular trait's gene pool. An allele is just another name for thoses indiviual genes. An allele may be dominant, recessive, masked, or incompletely dominant. In coat color genetics, when dominant genes are present they are usually visible to us (except in the case of solid red horses) and are given precedence over recessive genes. Generally, they are responsible for the phenotype (the outword appearance) of the coat color trait considered. The incomplete dominance phenonenom is what you see every time you look at a palomino or buckskin. Since palomino/buckskin horses have only one copy of the dominant dilution gene their coats are lightened to gold. Two copies cause a doubled effect of lightening and creates a cream colored horse like our beloved cremello, Chip! So with incomplete dominance, one dominant dilution gene (Cr+, - ) causes some lightening while two (Cr+,Cr+) causes even more! Easy enough, right? When the parents create their single celled gamates (the egg and the sperm), the cells with their full sets of chromosomes divide in half. Those two alleles living at that color locus split off singularly into seperate gamates . In the case of Chip, one dominant dilution gene is donated to 50% of the gamates (sperm), as well as, the other 50% of the gamates (sperm). He will ALWAYS give one dilution gene which is what's needed to make a palomino or buckskin foal.

Breeding a chestnut or bay to a palomino or buckskin stallion will only lend to a 50% chance of getting that dilute color. Why?   Those stallions only have one copy of the dilute gene present on the dilute locus, the other gene is a recessive, nondiluting gene. When the sperm is created by those studs only half of the sperm will receive that dilute gene. The other half will have a recessive gene that doesn't create palominos or buckskins. These stallions will have a foal crop of theoretically 50% dilute foals.

Luckily, with horse coat color, the alleles act more like on and off switches for each coat trait considered. If a dominant allele is present, it generally gets to determine whether the trait for that loci will exist or not. With the basic coat colors (chestnut, bay, black), the extension locus is the first locus mother nature considers. Its' function is to determine whether the horse will be chestnut or not. Its' genes act like an on/off switch. It can hold either a pair of "ee", "Ee", or "EE" genes with "e" being a recessive gene (red factor gene) and "E" being a dominant gene (black factor gene). ALL CHESTNUTS have a pair of recessive "ee" genes ONLY and these genes are located at the Extension locus. If the Extension locus has the "Ee" or "EE" pair, the Extension locus has, in a sense, switched off the chestnut color due to the dominant "E" present there. The recessive "e" which is found in the "Ee" situation has no say in the matter and the dominant "E" overrides its presence. Say good-bye to the solid chestnut color! So then what takes over? The dominant "E" says black is going to exist but in what form - as a bay (restricted to points) or black (spread over entire body)? To determine that, mother nature next looks at the Agouti gene to determine whether the foal will be bay or black. The Agouti gene pairs possible are "aa", "Aa", or "AA". The "a" is the recessive form resulting in black and "A" is dominant form resulting in bay. If the combination of "Aa" or "AA" are present, then the foal will be a bay. An "aa" pair at the Agouti locus will result in a solid black foal. As of mid April 03, Davis University in California offers the Agouti test to determine what resides at the Agouti locus. What can make color genetics so confusing is the Agouti genes are not reflected in the horses coat color when the horse is a solid red. When "ee" (solid red) exists at the Extension locus then an 'epistatic' gene situation occurs and the Agouti genes are not considered in the overall phenotype. This can lead to surprise foal colors when breeding your red mares to stallions with "Ee" or "EE" genotypes (therefore allowing the Agouti genes to be expressed).

U.C. Davis offer a test called the red factor test. This is a DNA test to see what genes are present at the EXTENSION locus. If the results come back as "ee" then the horse is said to be homozygous for the red factor. It is generally understood that if your horse is a red color with no black points that she is "ee". Don't even waste your money for the test! If results come back as "Ee" then it is said that the horse is heterozygous for the red factor or another way it has been put is 'the horse is heterozygous for the black factor.' The "E" is the black factor. If the results are "EE" then the horse is said to have no red factor or is said to be homozygous for the black factor. The "EE" horse will not be able to throw a chestnut baby ever because he/she will never be able to pass on a recessive "e" at the Extension locus for he/she doesn't have one to contribute. Only the "E" will be passed on. It takes two "e"s genes to make a solid red foal - one from the mom and the other from the dad. The "Ee" or "EE" pairs just means that the Extension locus is now shut off to creating a solid chestnut and, now, whatever genes exist at the Agouti locus can now be expressed. This can be "aa" (black), "Aa" (bay - heterozygous), or "AA" (bay = homozygous). It is also generally understood that if your horse is a true black that she is "aa" at the Agouti locus. Many black looking horses are truly very dark bays and have the genotype of "AA" or "Aa". With the new Agouti test offered at Davis University, horse owners no longer have to study their horses parantage to get a better idea of what exists there. Red factor and Agouti test information can be found at the UC Davis site

Breeding a solid red mare to a cremello will never result in a black foal. The resulting foal will always be a palomino.  Always!   ON rare occasions with many cremellos, if the mare is bay "Aa", a black foal could result called a smoky black which range from brown to black in color. (However, Chip's UC Davis test verifies he cannot throw a smoky black.) The same exact phenonenom and odds happen when breeding a bay to any red based color stallion (chestnut, sorrel, palomino or cremello). How can this be? Both the stallion and the mare have to have a recessive "a" at the Agouti loci and both have to contribute it to the foal; "aa" = black. If your mare comes from a long line of bays the chances are fairly slim that she will ever produce a black. The same is true for the stallion, if the stallion shows a long line of non-blacks then his odds of being responsible for a black are very slim. If one of the parents have a dominant homozygous genotype "AA" at their Agouti locus then a black foal will never result no matter what color the other parent is, even if the other parent is a black horse! But don't just breed for color, Chip's pedigree is loaded with champions and champion producers!

Breeding a palomino or buckskin to another palomino or buckskin lends a 25% chance of getting a cremello or perlino foal, 50% chance of a palomino or buckskin, and 25% of getting a bay or chestnut foal. When breeding a palomino or buckskin to a cremello, the outcome ratio is this: 50% palomino/buckskin and 50% cremello or perlino. Either cross creates a 50% chance of getting a palomino/buckskin. Seems odd, doesn't it? But true. (This is not considering slim chances of 'aa' smokey blacks.)

Gray foals are the product of one or both parents being gray or soon to turn gray. Chip will not produce any grays unless bred to a gray mare. In this case, the outcome of the foal becoming gray should be 50%. These foals will have a dilute coat that will eventually turn gray!

If you're interested in learning more about genetics, Dr. Sponenburg wrote "Equine Color Genetics" which is a fabulous book and can be found at   Also, Ann Bowling of UC Davis has web site that's very educational at    And there are soooooo, soooooo many other sites and books by just doing a web search!   Happy studying!