Question

what is difference between chromatid and chromatin?

Answer 1

Chromatin is the combination of DNA and proteins that make up the contents of the nucleus of a cell. The primary functions of chromatin are 1) to package DNA into a smaller volume to fit in the cell, 2) to strengthen the DNA to allow mitosis, 3) to prevent DNA damage, and 4) to control gene expression and DNA replication.

Answer 2

A chromatid is one copy of a duplicated chromosome, which generally is joined to the other copy by a centromere,[1] for the process of nuclear division (mitosis or meiosis). They are normally identical ("homozygous")