Selective breeding (Edexcel GCSE Biology Combined Science): Flashcards
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Definition of selective breeding
Definition of selective breeding
Humans artificially select & breed organisms with desired characteristics
1st step of selective breeding
1st step of selective breeding
Choose organisms with desired characteristics
2nd step of selective breeding
2nd step of selective breeding
Breed those organisms
3rd step of selective breeding
3rd step of selective breeding
Breed offspring with desired characteristics
Advantage: Selective breeding in medicine
Advantage: Selective breeding in medicine
Used for medical research
Advantage: Selective breeding for production
Advantage: Selective breeding for production
Creates 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 alleles
Disadvantage: Health impacts
Disadvantage: Health impacts
Increased health problems & genetic defects
Disadvantage: Disease vulnerability
Disadvantage: Disease vulnerability
New diseases more dangerous - lack of resistant alleles