generic · 12th TN - English Medium · BIO ZOOLOGY · Page 205

Gene Banks

Chapter 11: Chapter 11 · BIO ZOOLOGY · EN medium

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Gene banks are a type of biorepository which preserve genetic materials. Seeds of different genetic strains of commercially important plants can be stored in long periods in seed banks, gametes of threatened species can be preserved in viable and fertile condition for long periods using cryopreservation techniques. However, it is not economically feasible to conserve all biological wealth and all the ecosystems. The number of species required to be saved from extinction far exceeds the conservation efforts. Insitu Conservation Exsitu Conservation It is the on-site conservation or the conservation of genetic resources in natural populations of plant or animal species.

📖 Class 12 Bio Zoology English 2024 Edition www.tntextbooks.in · Page 205

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Gene banks are a type of biorepository which preserve genetic materials. Seeds of different genetic strains of commercially important plants can be stored in long periods in seed banks, gametes of threatened species can be preserved in viable and fertile condition for long periods using cryopreservation techniques. However, it is not economically feasible to conserve all biological wealth and all the ecosystems. The number of species required to be saved from extinction far exceeds the conservation efforts.

Insitu Conservation Exsitu Conservation It is the on-site conservation or the conservation of genetic resources in natural populations of plant or animal species. This is a conservation strategy which involves placing of threatened animals and plants in special care locations for their protection. It is the process of protecting an endangered plant or animal species in its natural habitat, either by protecting or restoring the habitat itself, or by defending the species from predators. It helps in recovering populations or preventing their extinction under simulated conditions that closely resemble their natural habitats.

National Parks, Biosphere Reserve,

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