See the research can be done in both the fields. If you want to do research in Applied Genetics i.e., how the knowledge acquired from Genetical Science can be used for the goodness of humankind then going for the BTech course will be a good choice & after BTech you can join MTech or PhD as well.

Now if you want to do research in the core Genetics i.e., you want to develop experimental and theoretical explanations of different phenomenon in Genetics, then going for the BSc Genetics is a great choice. After BSc Genetics you can join Integrated PhD or Msc in Genetics.

Now its your choice which field interests you select it & pursue it.

For more information regarding Genetics consider the link below:

https://www.careers360.com/courses/genetics-course

For more information regarding Genetical Engineering you can consider the link provided below:

https://www.careers360.com/courses/genetic-engineering-course

I hope this helps. Wish you a great eve!