Answer:
Genetics is a branch of biology concerned with the study of genes, genetic variation, and heredity in organisms. ... He observed that organisms (pea plants) inherit traits by way of discrete "units of inheritance". This term, still used today, is a somewhat ambiguous definition of what is referred to as a gene.
Advantages of Genetics
- A sense of relief from uncertainty.
- Reduce the risk of cancer by making certain lifestyle changes if you have a positive result.
- In-depth knowledge about your cancer risk.
- Information to help make informed medical and lifestyle decisions.
Disadvantages of Genetics
- Transfer of the selected gene into other species. ...
- Some people believe it is not ethical to interfere with nature in this way. ...
- GM crops could be harmful, for example toxins from the crops have been detected in some people's blood.
- GM crops could cause allergic reactions in people.
Hope it helps :)