"The genetic inheritance carried by the chromosomes is divided into basic units known as genes. Although the exact number is not yet known, there are believed to be thousands of genes located on each chromosome. Each gene is responsible for determining one or more characteristics, or traits.
An individual's total genetic makeup is known as his genotype. This is what he carries in each cell, and what he can pass on to his offspring. The geneotype cannot be completely judged from the horses outward appearance. The visable and measurable characteristics of an individual are known as his phenotype. The difference between the two can be illustrated with coat color. For example, two grey horses which phenotypically appear the same may have different genotypes, i.e., Gg and GG, where G stands for grey and g represents non grey. Although the enviroment cannot alter the horses genetic makeup (genotype), it may influence his outward appearance (phenotype), and determine how closely he approximates his genetic potential. For ex: a horse may have the genotype to reach a height of 16 hands, but due to poor early nutrition, only attains 15-2 hands at maturity, In this case, his phenotype (15-2) is not the same as his genotype(16 hands) due to environmental conditions (poor nutrition)."
More to come...
--- In haflingerfriends@yahoogroups.com, "castlerockjacobs" <castlerockjacobs@...> wrote:
>
> Let me rephrase...if I am to get a replacement, how would I know how to answer all those questions I stated before for predicting the get of a certain stallion? Or is there no system? then should you ask the breeder what their goals are for the current generation? And those with stallions...what kind of goals do you have for the mares you breed to, especially outside ones? With most of us stuck inside with the weather I must admit I expected more of a discussion, especially from those known for breeding. Like the long timers on this site asking why we do not discuss genetics more often....then the answer is to just get a replacement? We still need to understand genetics if we are getting a replacement. Or do we only look at fully trained 5 yr. olds?
>
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