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  1. Chromosome - Wikipedia

    A chromosome is a package of DNA containing part or all of the genetic material of an organism. In most chromosomes, the very long thin DNA fibers are coated with nucleosome -forming packaging …

  2. Chromosomes Fact Sheet - National Human Genome Research Institute

    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 acid (DNA). …

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

    Humans typically have 23 pairs of chromosomes for a total of 46 chromosomes. The first 22 are called autosomes and the last pair are sex chromosomes. Chromosomes organize and store your DNA. …

  4. What is a chromosome?: MedlinePlus Genetics

    Jan 19, 2021 · Chromosomes are found in the nucleus of each cell. Learn more.

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

    Explore what chromosomes are, their structure, different types, chromosomal models, and their vital biological functions.

  6. CHROMOSOMAL | English meaning - Cambridge Dictionary

    CHROMOSOMAL definition: 1. relating to chromosomes (= the parts of the cell that carry genetic information): 2. relating…. Learn more.

  7. CHROMOSOMAL Definition & Meaning - Merriam-Webster

    The meaning of CHROMOSOME is any of the rod-shaped or threadlike DNA-containing structures of cellular organisms that are located in the nucleus of eukaryotes, are usually ring-shaped in …

  8. Definition of chromosome - NCI Dictionary of Genetics Terms

    Chromosomes have proteins called histones that bind to DNA. DNA has two strands that twist into the shape of a spiral ladder called a helix. DNA is made up of four building blocks called nucleotides: …

  9. Chapter 3. Chromosomal Composition and Nomenclature

    DNA in human cells is organized into chromosomes composed of euchromatin and heterochromatin. The structural unit of the chromosome is the nucleosome. Chromosomal nomenclature takes into …

  10. Chromosome: MedlinePlus Medical Encyclopedia

    Apr 1, 2025 · Chromosomes are structures found in the center (nucleus) of cells that carry long pieces of deoxyribonucleic acid (DNA). DNA is the material that holds genes. It is the building block of the …