What are chromosomes?
Understand the Problem
The question asks for a definition and explanation of chromosomes. This involves understanding their structure, function, and role within a cell.
Answer
Chromosomes are thread-like structures in the nucleus of cells, made of DNA and protein. They carry genetic information.
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. They are made of protein and a single molecule of DNA and carry the genomic information from cell to cell.
Answer for screen readers
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. They are made of protein and a single molecule of DNA and carry the genomic information from cell to cell.
More Information
Humans have 23 pairs of chromosomes, for a total of 46.
Tips
It's easy to confuse chromosomes, DNA, and genes. Remember that chromosomes contain DNA, and genes are specific segments of DNA.
Sources
- Chromosomes Fact Sheet - genome.gov
- Chromosome - National Human Genome Research Institute (NHGRI) - genome.gov
- What is a chromosome?: MedlinePlus Genetics - medlineplus.gov
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