Question

Inside the nucleoplasm a tangled mass of thread-like structures is called chromatin. They are formed of an acid called Deoxyribonucleic Acid (DNA) and proteins. When a cell starts to divide, the tangled mass of chromatin condense into long threads and finally, rod-like bodies called chromosomes. The chromosomes contain stretches of DNA which carry information for protein synthesis. A gene is called the hereditary unit and DNA is called the hereditary material. A chromatid is one copy of duplicated chromosome which is generally joined to the other copy by a centromere..​

Answer 1

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Answer 2

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Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.