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A-Level Biology OCR A

Plants Gene Individuals Desired Characteristics Describe Banks Artificial

Gene and seed banks are valuable for artificial selection as they provide alleles to increase genetic diversity through outbreeding, thus reducing homozygous recessive individuals and improving species' adaptability.

Les banques de gènes et de semences sont précieuses pour la sélection artificielle car elles fournissent des allèles pour augmenter la diversité génétique par l'outbreeding, réduisant ainsi les individus homozygotes récessifs et améliorant l'adaptabilité des espèces.

Front Describe the value of gene banks for artificial selection in plants and animals.
Back Value of gene & seed banks:
  • Alleles from them are used to increase genetic diversity by outbreeding
  • This reduces occurrence of homozygous recessive individuals and icnreases potential for species to adapt to environmental change
  • Also means the seeds can be used to grow plants that have desired characteristics and then these plants can be reproduced to create offspring with desired characteristics and therefore artificially selecting these individuals

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