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  1. Chromosome abnormality - Wikipedia

    Chromosome anomalies usually occur when there is an error in cell division following meiosis or mitosis. Chromosome abnormalities may be detected or confirmed by comparing an individual's karyotype, or …

  2. Chromosome Abnormalities Fact Sheet - National Human Genome …

    Aug 15, 2020 · There are many types of chromosome abnormalities. However, they can be organized into two basic groups: numerical abnormalities and structural abnormalities. Numerical …

  3. Chromosomal Aberrations: What Are They, Causes, and More | Osmosis

    Feb 4, 2025 · Chromosomal aberrations, or abnormalities, are changes to the structure or number of chromosomes, which are strands of condensed genetic material. Humans typically have 23 pairs of …

  4. Chromosomal Disorders: Types, Causes, and Symptoms

    Mar 19, 2025 · Chromosomal aberrations refer to changes in the structure or number of chromosomes found within the nucleus of a cell. These alterations can lead to various health issues, including …

  5. Chromosomal disorder | Causes, Symptoms & Treatment | Britannica

    Chromosomal disorder, any syndrome characterized by malformations or malfunctions in any of the body’s systems, and caused by abnormal chromosome number or constitution.

  6. Types of Chromosome Abnormalities - Stanford Medicine Children's …

    There are many different types of chromosome abnormalities that require clinical care by a physician or other healthcare professional. Listed in the directory below are some, for which we have provided a …

  7. Overview of Chromosome and Gene Disorders - The Merck Manuals

    Some chromosome abnormalities cause the loss of the embryo or fetus before birth. Other abnormalities cause problems such as intellectual disability, short stature, seizures, heart problems, or a cleft palate.

  8. New Study Uncovers How Cancer Cells Tolerate Missing Chromosomes

    Nov 20, 2025 · A hallmark of cancerous cells is an abnormal number of chromosomes or chromosome arms, known as aneuploidy. While aneuploidy is detrimental to regular cells, it occurs in as many as …

  9. Chromosomal Abnormalities: Causes, Symptoms, And Treatment

    Chromosomal abnormalities can be categorized into three main types: numerical, structural, and mosaic abnormalities. Numerical abnormalities involve having too many or too few chromosomes, while …

  10. Overview of Chromosomal Abnormalities - Pediatrics - MSD Manual ...

    Overview of Chromosomal Abnormalities - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the MSD Manuals - Medical Professional Version.