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If you breed a chestnut mare to a homozygous black stallion the resulting foal will be?
Wiki User
∙ 13y ago
It depends on the other genetics that help determine color. If there are only chestnut and black, then the foal will be black. If there is an agouti gene to restrict the black to the horse's points, the foal will be a bay. If there are additional modifiers, the horse may have other attributes such as spots, dun stripes, etc. A chestnut of any kind cannot result from this mating, as this requires 2 chestnut genes, and a homozygous black carries no chestnut genes to pass along.
the chestnut color is the most recessive gene, so all other colors will be dominant, but truthfully all colors come from an alteration or absence of a red or black gene. a homozygous black has two copies of the black gene, and will pass on one of them, the other gene will be chestnut, so the result will be bay, (red with black mane and tail) or brown (liver) or a black. A homozygous black is not possible.
A good source to read about this matter is "Horse color explained" by Jeanette Gower.
Wiki User
∙ 13y ago
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If you breed a cremello mare to a homozygous black stallion the resulting foal will be?
Buckskin or Smoky Black
What color coalt would you get if you crossed a sorrel mare to a black stallion?
The foal could be a number of colors. Based on the description the stallion is either aaEe or aaEE. The mare is --ee (as her genetics at the agouti site is unknown). Research on the color of her parents and grandparents may be an indicator of the alleles at the agouti site. If the stallion is aaEe there is a 50% chance that the foal will be chestnut/sorrel. If the stallion is aaEE there will be no possibility of chestnut, however the resulting foal will be determined by the alleles that the mare has at the agouti site...which are currently unknown. If she has a single black parent, there is a 50% chance that the foal will be black (if the stallion is aaEE and a 25% chance of a black foal if the stallion is aaEe. Since black true black at the agouti site is homozygous recessive...it will be the mare's genetics at the agouti site that will determine the color of any non-chestnut foal.
What color will the foal be from a black mare and a black stallion?
Most likely black, however, if they are not homozygous for black, the foal has a small chance of being chestnut. If the stallion and mare are both aaEE all foals will be black. If one parent is aaEe and the other is aaEE all foals will be black. If both parents are aaEe there is a 75% chance that the foal will be black and a 25% chance of a chestnut foal.
If you bred a palomino mare to a chestnut stallion what color foal would you get?
Usually the darker color will dominate. But sometimes the genes of the parents can overpower the darker color. You really can not be sure. --------------------------------------------------------------------------------------------- It really depends on whether the black horse is homozygous (EE) or heterozygous (Ee). Horses are born with a base color from each parent. E represents black and e represents red. Black is dominate over red. If you get two red genes (ee) you always end up with a chestnut. If you get one or two black genes (Ee/EE) you end up with a black horse as long as you don't have agouti (A-Bay). So if you have a black horse with Ee bred to a chestnut horse ee, you have a 50/50 chance of getting a chestnut. If you breed a black horse with EE to a chestnut horse ee, you have a 100% chance of a black horse because they black (E) gene is dominate. Hope that clarifies it :) Fuangel29
What color will the foal be out of a black stallion breed to a palomino mare?
A dark brown horse. Possibly black. Possibly something with patches of the other color. According to a nifty foal color calulator that you can find a link to in the related links, the foal has a 70% chance of being bay, 24% chance of being black and a 7% chance of being chestnut.
What color horse will you get if you breed a strawberry roan stallion with a blue roan mare?
If either horse is homozygous for roan the foal will be roan, if both are heterozygous there is a 75% chance that the foal will be roan. If by strawberry roan you mean the stallion is a bay roan as opposed to a chestnut roan, we can surmise that the stallion is Rn-A-E- The mare is Rn-aaE- The base color of the foal, without regard to whether it is roan is as follows If the stallion or mare is EE at the extension site they will produce either a bay or black foal...since the stallion is bay he could be AA (only bay foals) or Aa which will produce 50-50 bay or black with this mare. If both the mare and the stallion are Ee at the extension site there is a 25% chance of a chestnut foal.
If a black horse and a blackhorse bred together what colour would the foal be?
There are a couple possibilities, depending on the genetic makeup of the horses. First, a few definitions: homozygous for black means the horse has two genes for the color black. This horse can only pass on a black gene. Heterozygous for black - the horse has one gene for black, and one for chestnut. Either one can be passed on. The horse will appear black, though can produce chestnut foals. If they are both homozygous for black the foal will be black, and will be homozygous for black. If one of them is homozygous and the other heterozygous, you will always have a black foal, but there is a 50/50 chance of being homozygous for black. If both of them are heterozygous, you have a 25% chance of getting a chestnut, 50% chance of getting a heterozygous black, and 25% change of a homozygous black.
Bred a sorrel and white mare to a black and white stud?
The type of white pattern is not mentioned here...for the sake of simplicity I will assume that the stallion and mare are Tobiano for the first example. Stallion aaE-Toto or aaE-ToTo Mare --eeToto or --eeToTo (genetics of mare at agouti site is unknown and may be determined to some degree by looking at the colors of the parents and grand parents. If either the stallion or the mare is ToTo (homozygous for tobiano) 100% of the foals will be Tobiano and 50% of the foals from this mating will be homozygous for Tobiano. If the Stallion is Ee at the extension site 50% of the foals will be chestnut. If the Stallion is EE at the extension site there will be no chestnut foals. The genetics of the mare at the agouti site will determine the color of any foals that are Ee or EE at the extension site. Since the stallion is black: aa he can only pass the a allele to his offspring. If the mare carries the a allele, 50% of the foals will be black.
What is the probable phenotype and genotype of offspring of a cross between a horse homozygous for black color and a horse homozygous for chestnut color?
Well considering that chestnut is recessive the foal most likely would be black, although it could be possible to get a bay foal.
What colour horse if you cross palomino with palimino?
The exact percentages of foal color outcomes is dependent upon the genetics behind each parent. Presuming that neither parent is homozygous for agouti and that the sire isn't homozygous for black, possible foal colors are: Chestnut Palomino (Chestnut + Cream) Cremello (Chestnut + 2 copies of Cream) Bay Buckskin (Bay + Cream) Perlino (Bay + 2 copies of Cream) Black Smokey Black (Black + Cream) Smokey Cream (Black + 2 copies of Cream)
What color horse will you get if you breed a black horse with a chestnut horse?
It depends on the horse's genetics. Chestnut is recessive to black, therefore a chestnut horse always carries two chestnut genes but a black horse could be carrying two black genes OR a black and a chestnut, but the black is dominant therefore the horse has a black coat. Think of it as the black coat always sits 'on top' of the chestnut coat so if a horse has a black gene it will always show up but chestnut will only show up if there are no black genes at all. If you breed a homozygous dominant (two black genes) black horse to a chestnut, the foal will always be heterozygous dominant black. (One black gene and one chestnut gene) If you breed a heterozygous dominant (one black one chestnut) black horse to a chestnut, the foal has a 50% chance of being heterozygous dominant black and a 50% chance of being homozygous recessive chestnut. (two red genes) If you have no idea what your black horse's color genes are, think of it as having a 75% chance of a black foal, 25% chance of a chestnut foal.
What colour would a foal to a buckskin stallion and black mare be?
Palomino Stallion --eeCrcr (the two -- are the unknown alleles at the Agouti site) Black Mare aaEe or aaEE (we will assume that the mare is not a smokey black which is a black horse carrying the creme gene). If either of the mare's parents is a chestnut her genetic makeup is aaEe which will simplify the choices. If either of the stallion's parents was a bay/buckskin (or both parents were bay based ) he will have the possibility of carrying the A allele. If the mare is aaEE no palomino or chestnut foal can be produced. If the stallion is aaeeCrcr 50% chance the foal will be black and 50% chance it will be smokey black. If the stallion is AaeeCrcr then there is a 25% chance the foal will be bay, 25% black, 25% smokey black, 25% buckskin. If the stallion is AAeeCrcr 50% buckskin and 50% bay If the mare is aaEe and the stallion is aaeeCr- the chances are 25% chestnut, 25% palomino, 25% black and 25% smokey black If the mare is aaEe and the stallion is AaeeCrcr the chances are 25% chestnut 25% palomino, 12.5% black, 12.5% bay, 12.5% smokey black, 12.5% buckskin. If the mare is aaEe and the stallion is AAee Crcr 25% palomino, 25% chestnut, 25% buckskin, 25% bay. Lots of possibilities here, always with a 50% chance of the foal with the Creme dilution. Unfortunatley, if the stallion carries a black allele or two black alleles your Creme dilutes will have a high probability of being smokey black which is often hard to tell from black.
