List the structural features inherent only to humans.

Basic breeding methods:
1. Selection of parental couples.
2. Hybridization:
– outbreeding or unrelated
– inbreeding or closely related;
3. Selection:
– individual
– massive;
4. Experimental production of polyploids (not applicable to animals);
5. Method for testing broodstock by progeny (not applicable to plants);
6. Experimental mutagenesis;
7. Genetic engineering.



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