Chromosome 21

• Chromosomes (58)

  • Autosomes
  • Centromere
  • Chromatid
  • Chromosomal inversions
  • Chromosome
  • Chromosome
  • Chromosome 1
  • Chromosome 11
  • Chromosome 12
  • Chromosome 13
  • Chromosome 14
  • Chromosome 15
  • Chromosome 16
  • Chromosome 17
  • Chromosome 18
  • Chromosome 19
  • Chromosome 2
  • Chromosome 20
  • Chromosome 22
  • Chromosome 3
  • Chromosome 4
  • Chromosome 5
  • Chromosome 6
  • Chromosome 8
  • Chromosome 9
  • Chromosome X
  • Chromosome abnormality
  • Isochromosome
  • Karyogram
  • Ring chromosome
  • Satellite chromosome
  • Small supernumerary marker chromosome
  • Translocations
  • Y chromosome
  • AZF1
  • Allosome
  • CIT Program Tumor Identity Cards
  • Chromomere
  • Chromosome 10 (human)
  • Chromosome 7 (human)
  • Chromosome conformation capture
  • Chromosome engineering
  • Chromosome regions
  • Chromosome segregation
  • Derivative chromosome
  • Dicentric chromosome
  • Dyad (biology)
  • G banding
  • Heterogametic sex
  • Human β-globin locus
  • Inchrosil
  • Lampbrush chromosome
  • Locus (genetics)
  • Marker chromosome
  • Personalized medicine
  • Proline-Rich Coiled Coil 1
  • Subtelomere
  • Syntelic
  • Telomere
  • more...

• Cytogenetics (20)

  • Chromosome number
  • Extra chromosome
  • Fluorescence in situ hybridization
  • Homologous chromosomes
  • Monosomy
  • Monosomy
  • Robertsonian translocation
  • Tetrasomy
  • Trisomy
  • Autosomes
  • Chromosome
  • Chromosome X
  • Chromosome abnormality
  • Colcemid
  • Fragile sites
  • Germ plasm
  • Karyogram
  • Pseudoautosomal region
  • Synapsis
  • Translocations
  • Uniparental disomy
  • more...

• Genetic disorders (15)

  • Down syndrome
  • Trisomy 13
  • Isodicentric chromosome 15 syndrome
  • XYY syndrome
  • Trisomy 18
  • Trisomy 18
  • Triple X syndrome
  • Turner syndrome
  • Pallister-Killian syndrome
  • Warkany syndrome 2
  • Klinefelter syndrome
  • Extra chromosome
  • Trisomy
  • Chromosome abnormality
  • Monosomy
  • Tetrasomy
  • more...

• Down syndrome (12)

  • Genetic origins of Down syndrome
  • Health aspects of Down syndrome
  • History of Down syndrome
  • National Down Syndrome Society
  • People with Down syndrome
  • People with Down syndrome
  • Research of Down syndrome-related genes
  • Trisomy 21
  • Centro Ann Sullivan del Perú
  • Down's Syndrome Scotland
  • The Specials (internet TV show)
  • Up Syndrome
  • World Down Syndrome Day
  • more...

• Syndromes (9)

  • Down syndrome
  • Trisomy 13
  • XYY syndrome
  • Trisomy 18
  • Triple X syndrome
  • Triple X syndrome
  • Turner syndrome
  • Pallister-Killian syndrome
  • Warkany syndrome 2
  • Klinefelter syndrome
  • more...

• Genetics (12)

  • Mosaicism
  • Molecular cytogenetics
  • Human chromosomes
  • X inactivation
  • Nondisjunction
  • Nondisjunction
  • Barr bodies
  • Y chromosomal Aaron
  • Genetic disorders
  • Chromosome analysis
  • XYY syndrome
  • Satellite chromosome
  • Homologous chromosomes
  • more...

• Classical genetics

  • Reproductive cells
  • Polyploidy
  • Chromosome number

• Molecular genetics

  • Chromosome structure
  • Facultative heterochromatin
  • Meiosis
  • Chromosome duplication
  • Chromatid
  • X inactivation

• Pregnancy tests (14)

  • Amniocentesis
  • Chorionic villus sampling
  • Prenatal screening
  • 3D ultrasound
  • Abderhalden reaction
  • Abderhalden reaction
  • Aschheim-Zondek test
  • Baby Gender Mentor
  • Gravindex
  • HCG pregnancy strip test
  • Nuchal scan
  • Obstetric ultrasonography
  • Percutaneous umbilical cord blood sampling
  • Pregnancy test
  • Proteogenix
  • more...

• Meiosis

  • Meiosis I
  • Meiosis II
  • Meiosis (Diplotene)
  • Meiosis (Metaphase I)
  • Meiosis (Pachytene)
  • Meiosis (Prophase I)

• Diseases and disorders (12)

  • Chromosome 21 ring
  • Poor muscle tone
  • Severe mental retardation
  • Extra chromosome
  • Down syndrome
  • Down syndrome
  • Chromosome abnormality
  • Trisomy 13
  • XYY syndrome
  • Trisomy 18
  • Triple X syndrome
  • Polyploidy
  • Klinefelter syndrome
  • more...

• Symptoms

  • Low set ears
  • Wide set eyes
  • Gastrointestinal malformations
  • Poor muscle tone
  • Severe mental retardation

• See also (20)

  • Genes on chromosome 21
  • Sex chromosomes
  • Human chromosome
  • Daughter cell
  • Nasal bridge
  • Nasal bridge
  • Maternal age
  • Trousseau syndrome
  • Translocation
  • Diploid cell
  • Brushfield spots
  • Leukocyte adhesion deficiency
  • John Langdon Down
  • Walther Flemming
  • Human chromosome Y
  • Monogenic
  • Sister chromatids
  • ETS2
  • Human chromosome X
  • Acrocentric
  • Constitutive heterochromatin
  • more...

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