gene
The Spanish word 'gen' translates to 'gene' in English. A 'gen' is a basic unit of heredity in a living organism. Genes hold the information to build and maintain an organism's cells and pass genetic traits to offspring. It's a key element in the field of biology and genetics, reinforcing the understanding of how traits or characteristics of living beings are transmitted from one generation to another.
Gen is a common name in Japan.
Here, 'Gen' is used as a proper noun, referring to a common Japanese name.
What genre is your favorite music?
In Spanish, the term 'gén' is often used as an abbreviation for the word 'género' which translates to 'genre' in English.
Genetics is the study of genes.
In this case, 'gen' is part of the word 'genética', which translates to 'genetics', i.e. the study of genes.