<h2>Polyploidy is involved in such type examples like Triploid and tetraploid.
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Explanation:
1. Polyploidy: the condition in which a normally diploid cell or organism gain one ( triploid) , two ( tetraploid) or more additional sets of chromosomes. Polyploidy arises as the result of total non-disjunction of chromosomes during metaphase of mitosis or meiosis, in which the chromosome are not separated during cell division
2. Examples of polyploidy are : Triploid and tetraploid chromosomes.
3. Polyploidy more commonly occurs in many angiosperm plants.
On a biological level, the main difference is that bacteria and free-living cells can live inside or outside a body, while viruses are a non-living collection of molocules that need a host to survive.
