Genetic material within larger thread like structure chromosome is called?

Genetic material within larger thread like structure chromosome is called?

بڑے دھاگے میں جینیاتی مواد جیسے ساخت کروموسوم کو کیا کہا جاتا ہے؟
Explanation

In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes.

DNA stands for Deoxyribonucleic Acid.