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Chromatids in Biological Dictionary

Sister Chromatids

... Sister chromatids are identical copies of a chromosome connected by a centromere. Compare sister chromatids to homologous chromosomes, which are the two ... complex responsible for binding the sister chromatids during synthesis through the G2 phase and into ...

Sister chromatid

... Sister chromatids are identical copies of a chromosome connected by a centromere. Compare sister chromatids to homologous chromosomes, which are the two ... ... However, the cohesion between sister chromatids is ultimately destroyed at the ... The ...

Chromatid

... actually consists of a set of duplicate chromatids ... Sorry, an error occurred. chromatid ... during mitosis. Together they are called sister chromatids . ... ... cohesin in transcription] Sister chromatids are preferred over homologs as ... Sister ...

Centromere

... of a chromosome where two identical sister chromatids come in contact. It is involved in cell ... is the constricted point at which the two chromatids forming the ... Centromere summary with 6 ... and more. ... Search " Centromere " ... Sister chromatids are identical copies of a chromosome connected ...

Homologous recombination

... combination of genes in an ... During this time, homologous sites on two chromatids can mesh with one another, ... The biochemistry of eukaryotic ... DNA molecules. ... During meiosis, two homologous pairs of sister chromatids ... ...

Telophase

... Metaphase. Anaphase. Telophase ... By telophase there are two separate groups of chromosomes at each pole. ... In telophase II the chromatids concentrate in the poles and the nuclear envelope ... The cells divide for the last time, leaving a total of four haploid cells, which ... ...

Spindle Fibers

... overlap ... Mitosis, process in which a cell's nucleus replicates and divides in preparation ... The spindle fibers attach to the chromatids near the centromeres, and tug and ... muscle spindle n. A stretch receptor in vertebrate muscle. ... sensory fibers (Group Ia afferent ...

Prophase

... stage of the prophase of meiosis ... How does prophase you differ from prophase II? ... During prophase the chromosomes are identical chromatids connected at the center ... The distinguishing feature of prophase is the setup of the mitotic spindle, ... ProPhase is a therapeutically ...

Polytene

... (endomitosis), forming a giant polytene chromosome. Polytene chromosomes form when multiple rounds of replication produce many sister chromatids that ... most polytene (molecular biology) Having very large chromosomes with many strands ... Retrieved from "http://en.wiktionary.org ...

Nondisjunction

... properly during cell division. This could arise from a failure of homologous chromosomes to separate in meiosis I, or the failure of sister chromatids to separate during meiosis II or mitosis. The result of this error is a cell with an imbalance of chromosomes. When a single chromosome is ...

Meiosis

... process. In meiosis I, chromosomes in a diploid cell resegregate, producing four haploid daughter cells. ... Meiosis II separates the chromatids producing two daughter ... Exercise designed to help illustrate the events that occur in process of meiosis , which takes place to produce ...

Diplotene

... pairing ... diplotene ( ′diplō′tēn ) ( cell and molecular biology ) The stage of meiotic prophase during which pairs of nonsister chromatids of each bivalent Zoology information, history, articles and research from Academic Journals, Newspapers, and magazines at HighBeam.com. Free ...

Chiasma

... the brain? ... Chiasma (genetics) A chiasma (plural: chiasmata ), in genetics , is thought to be the point where two homologous non-sister chromatids exchange Definition of chiasma from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ...
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