Animal Population Improvement Flashcards
1
Q
population
A
group of intermating individuals( herd, flock, species, breed)
2
Q
selection
A
deciding parents
3
Q
natural selection
A
survival of the fittest
independent of humans
4
Q
artificial selection
A
human control
replacing parents
culling
5
Q
phenotypic selection
A
selecting for best breeding value
- performance
- pedigree
- progeny
- prediction of breeding value
- DNA
6
Q
polygenic trait
A
many genes involved
hard to manipulate
7
Q
simply-inherited trait
A
few genes
easy to manipulate
8
Q
mating systems
A
gene combinations
- complementary: best of both worlds
- hybrid vigor/ heterosis: genetic lines, breeds, species
- related: linebreeding
- corrective: solving genetic issue
