List the main methods of chromosome engineering?

The polyploid method is the production of plants by multiple growth of chromosomes.
The haploid method is the cultivation of plants with a further increase in chromosomes by 2 times.
The method of substituted lines – replacement of pairs of homologous chromosomes.
The method of additional lines – foreign pairs of homologous chromosomes are introduced into the genotype in order to regulate the formation of the necessary traits. The method aims to develop a “flawless variety” of plants.



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