Selective breeding (Edexcel GCSE Biology): Flashcards
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Selective breeding definition
Selective breeding definition
Artificially selecting organisms with desired characteristics and breeding them to pass on those traits
First step in selective breeding
First step in selective breeding
Choose animals/plants with desired characteristics
Second step in selective breeding
Second step in selective breeding
Breed the selected animals/plants
Third step in selective breeding
Third step in selective breeding
Breed offspring with desired characteristics
Advantage: medical use of selective breeding
Advantage: medical use of selective breeding
Produces organisms for medical research
Advantage: selective breeding for yields
Advantage: selective breeding for yields
Creating high yields of products
Advantage: selective breeding in farming
Advantage: selective breeding in farming
Important in agriculture
Disadvantage: effect on gene pool
Disadvantage: effect on gene pool
Reduces gene pool, decreases number of different alleles
Disadvantage: health effects
Disadvantage: health effects
Increased health problems and genetic defects
Disadvantage: disease risk
Disadvantage: disease risk
New diseases can be deadly due to lack of resistant alleles