Which statement about chromosomes is true?

Which statement about chromosomes is true?

• A. Chromosomes are units within the nucleus that store genetic material.
• B. Chromosomes are the sites of protein synthesis in the cytoplasm.
• C. Chromosomes are the energy producers in the mitochondria.
• D. Chromosomes are the fluid inside the nucleus.

Answer: (A)

Chromosomes serve as carriers of genetic material contained in the nucleus. They organize and protect DNA, which holds the instructions for inherited traits, and they condense during cell division to ensure accurate DNA distribution to daughter cells. Protein synthesis happens at ribosomes, primarily in the cytoplasm, after genetic information is transcribed in the nucleus. Energy production occurs in mitochondria, not chromosomes. The fluid inside the nucleus is nucleoplasm, while chromosomes are distinct structures within that fluid. So the statement that chromosomes are units within the nucleus that store genetic material is correct.

Chromosomes serve as carriers of genetic material contained in the nucleus. They organize and protect DNA, which holds the instructions for inherited traits, and they condense during cell division to ensure accurate DNA distribution to daughter cells. Protein synthesis happens at ribosomes, primarily in the cytoplasm, after genetic information is transcribed in the nucleus. Energy production occurs in mitochondria, not chromosomes. The fluid inside the nucleus is nucleoplasm, while chromosomes are distinct structures within that fluid. So the statement that chromosomes are units within the nucleus that store genetic material is correct.