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A measure of inbreeding of an individual A is the probability F(A) that both alleles in one locus are derived from the same allele in an ancestor. These two identical alleles that are both derived from a common ancestor are said to be identical by descent. This probability F(A) is called the "coefficient of inbreeding". [43]
A dog of unknown parentage is often called a mixed-breed dog, "mutt" or "mongrel." A cat of unknown parentage is often referred to as a domestic short-haired or domestic long-haired cat generically, and in some dialects is often called a "moggie". A horse of unknown bloodlines is called a grade horse.
A litter consists of the puppies born from the same pregnancy. A whelp is a newborn puppy and giving birth to dogs is called whelping. Dogs commonly give birth in a whelping box, a simple box or pen provided to the dam to help shelter and contain the puppies. A person who intentionally mates dogs to produce puppies is referred to as a dog breeder.
Though there are many traits about zebrafish that are worthwhile to study including their regeneration, there are relatively few inbred strains of zebrafish possibly because they experience greater effects from inbreeding depression than mice or Medaka fish, but it is unclear if the effects of inbreeding can be overcome so an isogenic strain ...
It developed an online tool called Mate Select, which allows people to look up health test results and inbreeding level of individual dogs compared to the breed average. The database can also calculate for breeders the coefficient of inbreeding (COI) that two selected dogs will produce. A father/daughter mating will produce puppies with a COI ...
Breeding stock is a group of animals used for the purpose of planned breeding. When individuals are looking to breed animals, they look for certain valuable traits in purebred animals, or may intend to use some type of crossbreeding to produce a new type of stock with different, and presumably superior abilities in a given area of endeavor.
Say you have a 4-year-old Labrador named Comet — with the new equation, Comet's real "dog age" would be slightly older than 53. The reason for the difference is actually pretty simple.
Without pedigree collapse, a person's ancestor tree is a binary tree, formed by the person, the parents (2), the grandparents (4), great-grandparents (8), and so on.. However, the number of individuals in such a tree grows exponentially and will eventually become impossibl