(a) (i) Production of plants and animals that have superior/ greater productivity/ beneficial characteristics than either of their parents.
(ii) Condition in which an individual has more than two sets of chromosomes
(b) - Radiations such as colchicine
- Heavy metals e.g. lead, mercury
- Viruses such as Papilloma
johnmulu answered the question on May 13, 2017 at 06:40
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