CB4d - Breeds and varieties
- Created by: anniemazzzzz
- Created on: 03-04-18 22:04
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- CB4d - Breeds and varieties
- genetically modified organism (GMO) - an organism that has had it's genome artificially altered
- new breeds & varieties are created in order to create an ideal breed of an animal species & new varieties of plant species
- done by selective breeding
- selective breeding - when humans choose an organism that has a certain characteristic and breed more of these organisms, making that chosen characteristic more and more obvious
- selective breeding is carried out by:
- choosing an organism with a certain characteristic
- finding other organisms with that same characteristics
- making the organisms breed together
- producing new offspring with those characteristics
- making the organisms breed together
- finding other organisms with that same characteristics
- choosing an organism with a certain characteristic
- genetic engineering - altering the genome of an organism, usually by adding genes from another species aka genetic modification
- domesticated animals (dogs & cats) will share their own common ancestor
- cats - wild cats
- dogs - wolves
- for centuries, selective breeding would have taken place resulting in the variety of breeds of dogs & cats known today
- domestic dogs have been selectively bred to have a gentle nature
- food crops such as wheat have been selectively bred to be resistant to disease
- animals such as cows have been selectively bred to produce more meat or milk
- certain plants have been selectively bred to produce large or unusual flowers
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