Cloning in Plants (OCR A-Level Biology A): Flashcards
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Cloning
Cloning
Genetically identical offspring from single parent via mitosis
Vegetative propagation
Vegetative propagation
Asexual reproduction from stems, roots or leaves of parent plant
Meristems
Meristems
Plant tissues where growth occurs
Adventitious roots
Adventitious roots
Roots forming on structures other than main root system
What stem cuttings must develop
What stem cuttings must develop
Adventitious roots
Role of auxins in cuttings (e.g. IBA, NAA)
Role of auxins in cuttings (e.g. IBA, NAA)
Stimulate formation of adventitious roots
Callus in tissue culture
Callus in tissue culture
Mass of undifferentiated cells
Key advantage of meristem culture
Key advantage of meristem culture
Tissue remains free of viruses
Purpose of aseptic technique in tissue culture
Purpose of aseptic technique in tissue culture
Prevent contamination by bacteria and fungi
Main disadvantage of genetic uniformity in clones
Main disadvantage of genetic uniformity in clones
Equal risk from pests and diseases across whole crop