Off topic:how I can extract files (.fna) that is in multiple folders with a for loop.

Question

[AbdelAbdel]

how I can extract files (.fna) that is in multiple folders with a for loop.

name folders : GCA_000009205.2, GCA_000009225.2, GCA_000009265.1, ...

each folder containing a file that ends with (.fna) in all folders : GCA_000009205.2_ASM920v2_genomic.fna, ...