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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 …

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

    Jul 9, 2025 · 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 …

  3. 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 …

  4. 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 …

  5. What is a chromosome?: MedlinePlus Genetics

    Jan 19, 2021 · Chromosomes are not visible in the cell’s nucleus—not even under a microscope—when the cell is not dividing. However, the DNA that makes up chromosomes …

  6. Genetics, Chromosomes - StatPearls - NCBI Bookshelf

    Apr 3, 2023 · The chromosomal structure is composed of the organism's DNA and special proteins to form the dense, coiled architecture. The chromosome's tertiary structure is a crucial …

  7. CHROMOSOMAL | English meaning - Cambridge Dictionary

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

  8. 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 …

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

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

  10. 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 …