Acentric fragment - Information from Answers.com
Jump to: navigation, search. An acentric fragment is a segment of a chromosome that lacks a centromere. Because the centromere is the point of attachment for ...
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acentric: Definition from Answers.com
acentric ( ′ā′sentrik ) ( biology ) Not oriented around a middle point. ( genetics ) A chromosome or chromosome fragment lacking a.
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chromatid: Definition from Answers.com
Either of the two daughter strands of a replicated chromosome that are joined by a single centromere and separate ... This occurs in prophase I of meiosis.
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centromere: Definition from Answers.com
Pieces of chromosomes that lack centromeres (acentric fragments) do not attach to ... are attached all along their length, but they are closest at the centromere.
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chromosome aberration: Definition from Answers.com
chromosome aberration ( ′krōmə′sōm abə′rāshən ) ( genetics ) Modification ... Triploidy (3n), for example, occurs in about 1% of human pregnancies, but it is ... lacks a centromere, and such acentric fragments are lost during cell division.
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Chromosomal inversion - Information from Answers.com
This useful characteristic of polytene chromosomes was first advertised by Theophilus Shickel Painter in 1933. Inversions usually do not cause any ...
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Chromosome Bridge: Information from Answers.com
Chromosome Bridge a bridge formed between the separating groups of anaphase chromosomes ... Such chromosome bridges are always accompanied by acentric chromosome ... 1-Click Answers; AnswerTips; Webmasters; Apps/Add -ons ...
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Balancer chromosome - Information from Answers.com
[1] Balancer chromosomes have three important properties: they suppress ... to dicentric or acentric chromosomes (chromosomes with two centromeres or no ...
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Fragile Chromosome Site: Information from Answers.com
Fragile Chromosome Site a nonstaining gap of variable width that usually involves both ... fragility as shown by the production of acentric fragments and chromosome deletions. ... 1-Click Answers; AnswerTips; Webmasters; Apps/Add- ons ...
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