genetics
The scientific study of genes and heredity. Used as a noun in academic and general contexts.
She is majoring in genetics at university.
Advances in genetics have had a major impact on medicine.
遺伝 means 'heredity' or 'inheritance' as a phenomenon, whereas 遺伝学 is the scientific discipline.
optogenetics
reverse genetics
human genetics
conservation genetics
immunogenetics
Compound of 遺伝 (いでん, 'heredity') and 学 (がく, 'study'). The term is a modern coinage for the scientific field of genetics.
quantitative genetics
population genetics