- microchromosome
- mi·cro·chro·mo·some -'krō-mə-.sōm, -.zōm n any of the smaller chromosomes of a species that exhibits chromosomal polymorphism in size
Medical dictionary. 2011.
microchromosome
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microchromosome — cinematography (and graphic): see micro 1, 2 a … Useful english dictionary
Microchromosome — Image of chicken chromosomes featuring the many microchromosomes (appearing as dots). The arrows indicate a stained gene locus on homologous macrochromosomes. A microchromosome is a type of very small chromosome which is a typical component of… … Wikipedia
Chromosome — For a non technical introduction to the topic, see Introduction to genetics. Diagram of a replicated and condensed metaphase eukaryotic chromosome. (1) Chromatid – one of the two identical parts of the chromosome after S phase. (2)… … Wikipedia
Chromatin — The major structures in DNA compaction; DNA, the nucleosome, the 10nm beads on a string fibre, the 30nm fibre and the metaphase chromosome Chromatin is the combination of DNA and proteins that make up the contents of the nucleus of a cell. The… … Wikipedia
Centromere — Chromosomal components: (1) Chromatid (2) Centromere (3) Short arm (4) Long arm A centromere is a region of DNA typically found near the middle of a chromosome where two identical sister chromatids come closest in contact. It is involved in cell… … Wikipedia
Nucleosome — Nucleosomes are the basic unit of DNA packaging in eukaryotes, consisting of a segment of DNA wound around a histone protein core.[1] This structure is often compared to thread wrapped around a spool.[2] Nucleosomes form the fundamental repeating … Wikipedia
Ploidy — Haplo redirects here. For the fictional character, see The Death Gate Cycle. For the aquarium fishes, see Haplochromini. Diploid cells have two homologous copies of each chromosome. Ploidy is the number of sets of chromosomes in a biological cell … Wikipedia
Karyotype — A karyotype is the number and appearance of chromosomes in the nucleus of an eukaryotic cell. The term is also used for the complete set of chromosomes in a species, or an individual organism.[1][2]p28[3] Karyotypes describe the number of… … Wikipedia
Chromatid — Chromosomal components: (1) Chromatid (2) Centromere (3) Short arm (4) Long arm A chromatid is one of the two identical copies of DNA making up a duplicated chromosome, which are joined at their centromeres, for the process of cell division… … Wikipedia
Chromosomal translocation — of the 4th and 20th chromosome. In genetics, a chromosome translocation is a chromosome abnormality caused by rearrangement of parts between nonhomologous chromosomes. A gene fusion may be created when the translocation joins two otherwise… … Wikipedia
