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Prophase in Biological Definition

Meiosis

... However, the alignment of chromosomes for prophase is different. Homologous chromosomes join into ... 4 See also Meiosis I ProphaseI prophase I (the prophase of meiosis I) is the longest phase. In this ...

Mitosis

... 1 Overview 2 Phases 2.1 prophase 2.2 Prometaphase 2.3 Metaphase 2.4 ... is known as binary fission . Phases prophase Main article: prophase The genetic material ( DNA ), which normally ...

Mitosis

... 1 Overview 2 Phases 2.1 prophase 2.2 Prometaphase 2.3 Metaphase 2.4 ... is known as binary fission . Phases prophase Main article: prophase The genetic material ( DNA ), which normally ...

Prophase

... prophase is a stage of mitosis . In prophase the genetic material ( DNA ), which normally exists in the form of ...

Anaphase

... chromosome separation and can extend the spindle to up to 15 times its metaphase length in the process. See also gamete cytokinesis prophase prometaphase metaphase telephase chromosome prokaryote eukaryote ...

Centrosome

... nucleus, and consists of a pair of centrioles arranged perpenidcularly to each other (in this case, they are known as diplosomes). During the prophase of mitosis , the centrosomes migrate to opposite poles of the cell. Between them is formed the spindle , a bundle of microtubules that will ...

Chromatin

... (2) Chromatin strand ( DNA with histones ). (3) Condensed chromatin during interphase with centromere . (4) Condensed chromatin during prophase . (Two copies of the DNA molecule are now present) (5) Chromosome during metaphase . Two distinct types of chromatin can be distinguished: ...

Chromosome

... DNA strand. (2) Chromatin strand ( DNA with histones ). (3) Chromatin during interphase with centromere . (4) Condensed chromatin during prophase . (Two copies of the DNA molecule are now present) (5) Chromosome during metaphase . In the early stages of mitosis, the chromatin strands ...

Chromosomal crossover

... Chromosomal crossover is the process by which two chromosomes , paired up during prophase I of meiosis , exchange some distal portion of their DNA . Crossover occurs when two chromosomes , normally two homologous instances of the ...

Metaphase

... the metaphase plate does the cell enter anaphase . This is accomplished by regulation of the APC, securin, and separase. Metaphase is preceded by prophase and followed by anaphase. See also cytokinesis prometaphase telophase anaphase ...
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