How does polyploidy manifest in humans and what are the potential implications of polyploidy on human health?

Polyploidy in humans occurs when a cell has extra sets of chromosomes, beyond the normal two sets. This can happen during cell division or fertilization. In some cases, polyploidy can lead to genetic disorders or developmental abnormalities. However, it can also be harmless or even beneficial in certain situations. The potential implications of polyploidy on human health depend on the specific genetic changes that occur and can vary widely.