Question

when cell reproduces what happens to dna describe in detail

Answer 1

When a cell reproduces,its DNA is copied and passed on to the offspring. DNA copying is an important step in the process of reproduction as DNA

Answer 2

When a cell reproduces it has the copy of DNA from its parents DNA. This the the process of DNA Replication by which DNA in parents cells during cell divisions makes copies of DNA through DNA transcription.
Then these copies of DNA pass on to newly produced cells.