Chapter: 10th Science : Chapter 20 : Breeding and Biotechnology

Genetically Modified Organisms (GMOs)

One of the most tremendous development of genetic engineering is the production of genetically modified (GM) plants and animals.

Genetically Modified Organisms (GMOs)

One of the most tremendous development of genetic engineering is the production of genetically modified (GM) plants and animals. Genetic modification refers to the alteration or manipulation of genes in the organisms using rDNA techniques in order to produce the desired characteristics. The DNA fragment inserted is called transgene. Plants or animals expressing a modified endogenous gene or a foregin gene are also known as transgenic organisms.

The transgenic plants are much stable, with improved nutritional quality, resistant to diseases and tolerant to various environment conditions. Similarly transgenic animals are used to produce proteins of medicinal importance at low cost and improve livestock quality.

Some examples of genetically modified plants and animals are given in the table below.

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10th Science : Chapter 20 : Breeding and Biotechnology : Genetically Modified Organisms (GMOs) |