Selective Breeding Flashcards
Why do people selective breed?
Animals -that produce more meat and milk
Crops with disease resistance
Dogs with a good gentle temperament
Plants that produce bigger fruit
Why is selective breeding important in agriculture ?
Better characteristics, eg more meat
Breed good characteristics
Several generations will have this good meat yield
Why is selective breeding important in medical research?
Research behind alcoholism.
Rats have been bred to have strong or weak preference for alcohol.
This allows us to study the brain reaction to a dilemma
Why is selective breeding bad ?
As it reduces the gene pool - inbreeding
Creates health problem , pug breathing problems
If a new disease it will wipe out a lot due to less chance of having less resistance alleles