Metaphase (from Ancient Greek μετα- (meta-) beyond, above, transcending and from Ancient Greek φάσις (phásis) 'appearance') is a stage of mitosis in the...
6 KB (555 words) - 11:16, 3 December 2023
Meiosis (redirect from Metaphase II)
homologous chromosome pairs along the metaphase plate during metaphase I and orientation of sister chromatids in metaphase II, this is the subsequent separation...
63 KB (7,351 words) - 16:54, 16 August 2024
Chromosome (section Metaphase chromatin and division)
copies are now called sister chromatids. During metaphase, the X-shaped structure is called a metaphase chromosome, which is highly condensed and thus...
64 KB (6,538 words) - 18:22, 1 August 2024
Cell division (section Metaphase)
follows prophase and precedes metaphase. In metaphase, the centromeres of the chromosomes align themselves on the metaphase plate (or equatorial plate)...
38 KB (4,283 words) - 20:21, 3 August 2024
Prometaphase is the phase of mitosis following prophase and preceding metaphase in eukaryotic somatic cells. In prometaphase, the nuclear membrane breaks...
4 KB (337 words) - 15:31, 7 March 2024
Karyotyping generally combines light microscopy and photography in the metaphase of the cell cycle, and results in a photomicrographic (or simply micrographic)...
59 KB (6,991 words) - 15:11, 16 August 2024
poles of the mitotic spindle apparatus. Following the transition from metaphase to anaphase, the sister chromatids separate from each other, and the individual...
65 KB (7,839 words) - 18:06, 1 July 2024
cancer drugs. The APC/C's main function is to trigger the transition from metaphase to anaphase by tagging specific proteins for degradation. The three major...
31 KB (4,181 words) - 06:10, 4 May 2024
spindle checkpoint, also known as the metaphase-to-anaphase transition, the spindle assembly checkpoint (SAC), the metaphase checkpoint, or the mitotic checkpoint...
73 KB (9,149 words) - 03:31, 28 June 2024
φάσις (phásis) 'appearance') is the stage of mitosis after the process of metaphase, when replicated chromosomes are split and the newly-copied chromosomes...
6 KB (719 words) - 02:00, 2 May 2024
Homologous chromosome (section Metaphase I)
In metaphase I of meiosis I, the pairs of homologous chromosomes, also known as bivalents or tetrads, line up in a random order along the metaphase plate...
24 KB (2,767 words) - 22:08, 17 May 2024
photographic representation of the entire chromosome complement. The metaphase chromosomes are treated with trypsin (to partially digest the chromosome)...
5 KB (492 words) - 13:12, 8 March 2023
hybridization of the two resultant samples in a 1:1 ratio to a normal metaphase spread of chromosomes, to which the labelled DNA samples will bind at...
40 KB (5,286 words) - 05:27, 17 June 2024
(heterochromatin). Higher-level DNA supercoiling of the 30 nm fiber produces the metaphase chromosome (during mitosis and meiosis). Many organisms, however, do not...
53 KB (5,924 words) - 18:46, 4 August 2024
Dividing HeLa cells in culture. The cells can be seen metaphase and telophase, different stages of cell division....
59 KB (6,059 words) - 22:13, 17 August 2024
During oocyte development, high metaphase promoting factor (MPF) activity causes mammalian oocytes to arrest at the metaphase II stage until fertilization...
100 KB (10,733 words) - 19:59, 3 August 2024
and into the fallopian tube and triggers the oocyte to divide and enter metaphase of meiosis II (46 or 2n chromosome) and extrude its first polar body....
8 KB (967 words) - 08:52, 14 June 2024
Detail of a human metaphase spread. A region in the pseudoautosomal region of the short arms of the X chromosome (left) and the Y chromosome (top right)...
10 KB (868 words) - 22:26, 2 December 2023
solution, which swells them and spreads the chromosomes Arresting mitosis in metaphase by a solution of colchicine Squashing the preparation on the slide forcing...
26 KB (2,921 words) - 15:28, 28 February 2024
membrane monoamine transporter (PMAT) Four phases of mitosis: prophase, metaphase, anaphase, and telophase. Prophase: Chromatin into chromosomes, the nuclear...
669 bytes (116 words) - 10:02, 26 November 2022
An image of a newt lung cell stained with fluorescent dyes during metaphase. The mitotic spindle can be seen, stained green, attached to the two sets...
87 KB (9,882 words) - 09:54, 26 July 2024
polymerase chain reaction using tagged nucleotides. Then, an interphase or metaphase chromosome preparation is produced. The chromosomes are firmly attached...
40 KB (4,617 words) - 05:53, 12 August 2024
fertilised, as it is required they are in metaphase II. There are cases in which if oocytes are in the metaphase I stage, they can be kept being cultured...
173 KB (20,281 words) - 18:31, 30 July 2024
Giemsa-stained (A) and C-banded (B) metaphase in Dogxim showing 76 chromosomes, arrows indicate the X chromosomes...
15 KB (1,480 words) - 06:05, 12 August 2024
controlling the G2/M checkpoint. The metaphase checkpoint is a fairly minor checkpoint, in that once a cell is in metaphase, it has committed to undergoing...
77 KB (9,017 words) - 09:38, 11 July 2024
first polar body. Meiosis II follows at once but will be arrested in the metaphase and will so remain until fertilization. The spindle apparatus of the second...
29 KB (2,968 words) - 06:56, 21 July 2024
Independent assortment occurs in eukaryotic organisms during meiotic metaphase I, and produces a gamete with a mixture of the organism's chromosomes...
38 KB (4,035 words) - 07:03, 20 July 2024
the oocyte, causing meiosis to resume. Meiosis then proceeds to second metaphase, where it pauses again until fertilization. Luteinizing hormone also stimulates...
30 KB (3,512 words) - 10:20, 12 August 2024
of very large submetacentric chromosomes were found to be acrocentric. Metaphases were studied in the male's chromosomes, and very large submetacentric...
46 KB (5,495 words) - 08:06, 13 August 2024