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Related Concept Videos

Karyotyping01:17

Karyotyping

Describing the number and physical features of chromosomes can reveal abnormalities that underlie genetic diseases. This description is facilitated by special staining techniques that produce a particular banding pattern on each chromosome. State-of-the-art techniques make this approach even more powerful, enabling the detection of individual genes that cause disease.A Simple Chromosome Staining Technique Provides Valuable Scientific InsightSome genetic diseases can be detected by looking at...
Chromosome Structure02:40

Chromosome Structure

A functional eukaryotic chromosome must contain three elements: a centromere, telomeres, and numerous origins of replication.
The centromere is a DNA sequence that links sister chromatids. This is also where kinetochores, protein complexes to which spindle microtubules attach, are constructed after the chromosome is replicated. The kinetochores allow the spindle microtubules to move the chromosomes within the cell during cell division.
Telomeres consist of non-coding repetitive nucleotide...
Karyotyping01:17

Karyotyping

Describing the number and physical features of chromosomes can reveal abnormalities that underlie genetic diseases. This description is facilitated by special staining techniques that produce a particular banding pattern on each chromosome. State-of-the-art techniques make this approach even more powerful, enabling the detection of individual genes that cause disease.A Simple Chromosome Staining Technique Provides Valuable Scientific InsightSome genetic diseases can be detected by looking at...
X and Y Chromosomes02:32

X and Y Chromosomes

Among mammals, the gender of an organism is determined by the sex chromosomes. Humans have two sex chromosomes, X and Y. Every human diploid cell has 22 pairs of autosomes and one pair of sex chromosomes. A human female has two X chromosomes, while a male has one X chromosome and one Y chromosome.
The germline cells such as egg and sperm cells carry only half the number of chromosomes, i.e., 22 autosomes and one sex chromosome. All eggs have an X chromosome, while sperm cells can carry an X or...
Chromosome Structure02:40

Chromosome Structure

A functional eukaryotic chromosome must contain three elements: a centromere, telomeres, and numerous origins of replication.
The centromere is a DNA sequence that links sister chromatids. This is also where kinetochores, protein complexes to which spindle microtubules attach, are constructed after the chromosome is replicated. The kinetochores allow the spindle microtubules to move the chromosomes within the cell during cell division.
Telomeres consist of non-coding repetitive nucleotide...
Genetic Material01:20

Genetic Material

Within the human body, a complex and detailed system of trillions of cells works in unison to sustain life. Each cell houses a nucleus, which contains 46 chromosomes divided into 23 pairs. Chromosomes are highly coiled structures made of the genetic material DNA. These chromosomes are essential carriers of genetic information, with half inherited from the mother through her egg and the other half from the father's sperm, combining to create the unique genetic makeup of an individual.

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Related Experiment Video

Updated: Jun 26, 2026

Chromosomics: Detection of Numerical and Structural Alterations in All 24 Human Chromosomes Simultaneously Using a Novel OctoChrome FISH Assay
06:25

Chromosomics: Detection of Numerical and Structural Alterations in All 24 Human Chromosomes Simultaneously Using a Novel OctoChrome FISH Assay

Published on: February 6, 2012

Human chromosome 22.

J C Kaplan, A Aurias, C Julier

    Journal of Medical Genetics
    |February 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    Chromosome 22, a key human chromosome, contains genes and DNA segments linked to various diseases. Research is bridging cytogenetics and molecular genetics to understand chromosome 22 pathologies.

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    Spectral Karyotyping to Study Chromosome Abnormalities in Humans and Mice with Polycystic Kidney Disease
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    Spectral Karyotyping to Study Chromosome Abnormalities in Humans and Mice with Polycystic Kidney Disease

    Published on: February 3, 2012

    Chromosome Preparation From Cultured Cells
    07:42

    Chromosome Preparation From Cultured Cells

    Published on: January 28, 2014

    Related Experiment Videos

    Last Updated: Jun 26, 2026

    Chromosomics: Detection of Numerical and Structural Alterations in All 24 Human Chromosomes Simultaneously Using a Novel OctoChrome FISH Assay
    06:25

    Chromosomics: Detection of Numerical and Structural Alterations in All 24 Human Chromosomes Simultaneously Using a Novel OctoChrome FISH Assay

    Published on: February 6, 2012

    Spectral Karyotyping to Study Chromosome Abnormalities in Humans and Mice with Polycystic Kidney Disease
    12:47

    Spectral Karyotyping to Study Chromosome Abnormalities in Humans and Mice with Polycystic Kidney Disease

    Published on: February 3, 2012

    Chromosome Preparation From Cultured Cells
    07:42

    Chromosome Preparation From Cultured Cells

    Published on: January 28, 2014

    Area of Science:

    • Human Genetics
    • Molecular Biology
    • Cytogenetics

    Background:

    • Chromosome 22 is an acrocentric chromosome containing approximately 52,000 kb of DNA.
    • Its short arm comprises heterochromatin and ribosomal RNA genes, common to acrocentric chromosomes.
    • The long arm hosts ten identified genes, with four already cloned: immunoglobulin lambda, myoglobin, c-sis, and bcr.

    Purpose of the Study:

    • To detail the genetic and molecular landscape of human chromosome 22.
    • To highlight the association between chromosome 22 abnormalities and various diseases, including malignancies.
    • To explore the molecular basis of chromosome 22-related pathologies and their connection to cytogenetic findings.

    Main Methods:

    • Gene mapping and assignment to chromosome 22.
    • Cloning of anonymous DNA segments from chromosome 22-specific libraries.
    • Characterization of diseases associated with chromosome 22 at phenotypic and chromosomal levels.

    Main Results:

    • Ten genes and approximately ten anonymous DNA segments have been assigned or cloned from chromosome 22.
    • At least a dozen diseases, including four malignancies, are linked to chromosome 22.
    • Molecular studies of chronic myelogenous leukemia (Ph1 chromosome) and Burkitt's lymphoma (t(8;22)) are advancing the understanding of cytogenetic abnormalities at the DNA level.

    Conclusions:

    • Chromosome 22 harbors significant genetic information relevant to human health and disease.
    • The study of chromosome 22 abnormalities provides insights into the molecular mechanisms of malignancies.
    • Research on chromosome 22 is integrating cytogenetic and molecular genetics, advancing diagnostic and therapeutic strategies.