Is gigantism genetic?

Gigantism is an untreatable condition. It's not a disease you can 'get over'. Medical privacy law is world-wide, so you're going to have difficulty finding out the answer to this question. You may...

Gigantism (the condition of accelerated and excessive growth in children or adolescents who are exposed to excess human growth hormone before the closure of epiphyses)

Yes.

Since genetic engineering involves the manipulation of genes, genetics is the utmost importance in genetic engineering or any form of genetic technology. The knowledge of the genetics must be present...

yes but genetics is just the plural