Question

what are chromosomes?

Answer 1

a thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

Answer 2

Chromosomes are thread like organized structures located inside the nucleus of both animal and plant cells.
Chromosomes are often called as the "Packing Material", because its tightly holds the DNA and Proteins together in the Eukaryotic Cells.