anaphase — The stage of mitosis or meiosis in which the chromosomes move from the equatorial plate toward the poles of the cell. In mitosis a full set of daughter chromosomes (46 in humans) moves toward each pole. In the first division of meiosis one … Medical dictionary
disjunction — The normal separation of pairs of chromosomes at the anaphase stage of meiosis I or II. [dis + L. junctio, a joining, fr. jungo, pp. junctum, to join] * * * dis·junc·tion dis jəŋ(k) shən n the separation of chromosomes or chromatids during… … Medical dictionary
anaphase — n. the third stage of mitosis and of each division of meiosis. In mitosis and anaphase II of meiosis the chromatids separate, becoming daughter chromosomes, and move apart along the spindle fibres towards opposite ends of the cell. In anaphase I… … The new mediacal dictionary
disjunction — Separation of homologous chromosomes during anaphase I of meiosis, or of sister chromatids during anaphase of mitosis and anaphase II of meiosis … Glossary of Biotechnology
disjunction — n. [L. disjunctus, disunited] Separation of daughter chromosomes during anaphase of mitosis and meiotic division … Dictionary of invertebrate zoology
disjunction — n. the separation of pairs of homologous chromosomes during meiosis or of the chromatids of a chromosome during anaphase of mitosis or meiosis. Compare: nondisjunction … The new mediacal dictionary
Meiosis — Not to be confused with miosis, mitosis, or myositis. For the figure of speech, see meiosis (figure of speech). Events involving meiosis, showing chromosomal crossover Meiosis (pronounced /maɪˈoʊsɨs/ … Wikipedia
Mitosis — Not to be confused with meiosis, miosis, or myositis. Mitosis divides the chromosomes … Wikipedia
XYY syndrome — Not to be confused with XXY (2 X s, Klinefelter s syndrome). XYY syndrome Classification and external resources Y chromosome ICD 10 Q … Wikipedia
Chromatide — Schematische Darstellung eines Metaphase Chromosoms. Es besteht aus zwei Chromatiden (das rechte mit (1) bezeichnet), die am Centromer (2) zusammenhängen. Der kurze (3) und lange Arm (4) des rechten Chromatids ist ebenfalls gekennzeichnet. Der… … Deutsch Wikipedia
Ein-Chromatid-Chromosom — Schematische Darstellung eines Metaphase Chromosoms. Es besteht aus zwei Chromatiden (das rechte mit (1) bezeichnet), die am Centromer (2) zusammenhängen. Der kurze (3) und lange Arm (4) des rechten Chromatids ist ebenfalls gekennzeichnet. Der… … Deutsch Wikipedia