GENETIC CHANGES CAUSED BY HUMANS

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GENETIC CHANGES CAUSED BY HUMANS

Selective breeding: Cross organisms with traits you like to get offspring with desired traits

Selective breeding: Humans have been breeding organisms for desired traits for THOUSANDS of years

Selective breeding: Hybridization: Cross organisms with two different good traits to get BOTH traits

Selective breeding: Inbreeding: Cross individuals with similar traits to keep traits pure

Genetic Engineering: Transferring genes from one organism into the chromosomes of another to get NEW traits

GENETIC ENGINEERING USES SINGLE CELLS! Later, the cell splits and forms more cells or a whole organism.

There are several concerns There are several concerns. Many people feel very strongly about genetic engineering.

Still, genetically engineered crops are very common: