Pure Breeding
A pure breed animal has to have two _____ parents?
Purebred
Inbreeding is the _____ of related animals?
Mating
____ is the mating of animals of different families within the same breed
Outcrossing
Grading up is the mating of _____ to grade females.
Purebred sires
______ is the mating of 2 animals from different breeds.
Crossbreeding
A purebred animal is eligible for registry in the purebred association of that breed if it has no what?
Disqualifications
The most intensive form of inbreeding is ____?
Close breeding
The animals bred are not ___
closely related
A ___ animal is any animal not eligible for registry.
grade
Traits with a high degree of ___ show little improvement from crossbreeding.
Purebred breeders often show their animals in what shows?
Purebred
Inbreeding increases the _________ of the stock produced
Genetic purity
Most matings done by purebred breeders are ____?
Outcrossing
The greatest percent of improvement comes in the _______?
First cross
Animals selected for use in a crossbreeding program must have the _____?
Desired traits
There is a tendency for purebred animals to be what?
Genetically Homozygous
As a result of Inbreeding the offspring become more _____
genetically homozygous
Outcrossing is popular because it reduces the chances of _______ appearing in the offspring.
Undesirable traits
______ of grading up are typically not eligible for registry.
Offspring
Beef, swine, and sheep producers usually use ______ for the production of market animals.
Crossbreeding
Purebred breeding requires more ____ for breeding animals then does for raising market animals
Money
Inbreeding requires a carefully planed program of _____
Selection culling
The purpose of outcrossing is to bring into the program traits that are desirable but _______ in the original animals.
Not present
The amount of improvement that results is ______ on the quality for the breeding program.
dependent
______ is measured by the average superiority of the hybrid offspring over the average of the parents.
Heterosis