Their gametes would have half the number of chromsomes, so 24.
The DNA has to replicate before mitosis to keep the number of chromosomes consistent. Hope this helps.
Answer:
For Surface Mining Fact read the pdf below:
https://nma.org/wp-content/uploads/2019/04/2019-External-Fact-Book.pdf
Scales of a fish, I kind of read or heard people getting drafts of fish skin which might be the same.