About 324,000 results
Open links in new tab
  1. Chromosome - Wikipedia

    In the nuclear chromosomes of eukaryotes, the uncondensed DNA exists in a semi-ordered structure, where it is wrapped around histones (structural proteins), forming a composite …

  2. Chromosomes: Definition, Structure & Function - Cleveland Clinic

    Chromosomes are long strings of DNA (instructions that make your body work), wrapped around special proteins (histones) to make them compact enough to fit into the nucleus of your cells.

  3. Chromosomes Structure and Functions - GeeksforGeeks

    Jul 23, 2025 · Humans have 23 pairs of chromosomes, one from each parent. The most important function of chromosome is to carry the genetic material from one cell generation to the next. …

  4. Chromosome | Structure & Function | Britannica

    Dec 12, 2025 · Among organisms with prokaryotic cells (i.e., bacteria and blue-green algae), chromosomes consist entirely of DNA. The single chromosome of a prokaryotic cell is not …

  5. Chromosome: What It Is, Its Structure, and Function

    Aug 4, 2025 · Chromosomes are structures located inside the nucleus of animal and plant cells, composed of protein and deoxyribonucleic acid (DNA). They are organized forms of DNA, …

  6. Chromosomes Fact Sheet - National Human Genome Research …

    Aug 15, 2020 · 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 …

  7. Chromosomes- Definition, Structure, Types, Model, Functions

    Aug 3, 2023 · What are Chromosomes? In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of …

  8. What is a Chromosome? Structure, Function, and Role in Genetics

    Apr 17, 2025 · Humans have 46 chromosomes, arranged in 23 pairs. One chromosome of each pair comes from your mother, the other from your father. That means you carry genetic …

  9. Chromosome Structure | Biology for Majors I - Lumen Learning

    In Summary: Chromosome Structure DNA in eukaryotes is highly structured and organized in all stages of an organism’s life. Diploid organisms contain a pair of each chromosome; humans …

  10. Chromosome StructureChromosomes, Genes, and Traits: An …

    Before DNA replication, each chromosome is comprised of one DNA molecule. After replication, each chromosome is comprised of two DNA molecules. The two halves of a replicated …