The chromosome number of the parental nucleus in germ cells before meiosis is 46 (2n).
Chromosomes are the compact form of the genetic material. It is composed of two components: DNA and histone proteins. These proteins help in efficient packaging of the DNA. In humans there are 46 chromosomes in total. From which a set of 23 chromosomes is from the mother while the other 23 are from father.
Nucleus is the like the brain of the cell. It regulates all the activities of the cell. It is composed of the genetic material i.e. DNA. The nucleus is a double membranous structure with small pores present in it for the passage of materials inside and outside.
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