Make sure you don’t confuse ‘parent cell’ with ‘parent organism’. A parent cell is any cell in the body that divides into two cells and the terminology is used to refer to the ‘original’ cell that the DNA came from before it was split and replicated semi-conservatively.
Helicase and DNA polymerase work together to replicate each strand of DNA
The combined actions of helicase and DNA polymerase create new complementary DNA strands
Semi-conservative replication of DNA