Ponies are an entirely different category, which is based on size. Horses have foals, which are categorized as colts, or male foals, and fillies, or â¦ female ones. A pony is classified as small, medium or large, depending on the height. A horse MAY produce a pony if there young only grow to pony size. Your horse has to reach 2 and a half years old to be sexually mature.
Ploidy is a term from genetics and cell biology. 1  It is used to indicate the number of chromosome sets in a cell. Most eukaryotes have either one set (called haploid) or two sets (called diploid). Some other organisms are polyploid, they have more than two sets of chromosomes. Some amphibians are triploid, with 3 sets.
Ply is defined as to make multiple layers, to work at, to keep supplying or to keep asking questions. 1  An example of ply is to stack thin sheets of wood together to make plywood.  An example of ply is to use your skills at a job, to ply your craft.