Selective breeding (AQA GCSE Biology): Flashcards
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Another name for selective breeding
Another name for selective breeding
Artificial selection
Definition of selective breeding
Definition of selective breeding
When humans choose which plants/animals to breed together to get desired characteristics
How long humans have used selective breeding
How long humans have used selective breeding
Thousands of years
Time needed for selective breeding to work
Time needed for selective breeding to work
Many generations
Step 1 of selective breeding
Step 1 of selective breeding
Choose individuals with desired features
Step 2 of selective breeding
Step 2 of selective breeding
Breed chosen individuals together
Step 3 of selective breeding
Step 3 of selective breeding
Select best offspring with desired characteristics
Step 4 of selective breeding
Step 4 of selective breeding
Repeat process over many generations
Purpose of selective breeding in animals
Purpose of selective breeding in animals
Produce more food (milk, eggs, meat)
Purpose of selective breeding in crops
Purpose of selective breeding in crops
Resist disease
Purpose of selective breeding in pets
Purpose of selective breeding in pets
Good behaviour (gentle and friendly)
Main problem with selective breeding
Main problem with selective breeding
Inbreeding causes health problems
Animal welfare issue from selective breeding
Animal welfare issue from selective breeding
Cows with leg problems from producing too much milk