Centromere is the primary constriction on the chromosome, a region at which the sisterchromatids are held together.
着丝点是染色体的主缢痕,在这个地方姐妹染色单体连在一起。
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Centromere --- The primary constriction on the chromosome, a region at which the sisterchromatids are held together and at which the kinetochore is formed.
染色体的主缢痕,使姐妹染色单体连在一起,在其两侧各有一个由蛋白构成的动粒。
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During diakinesis the sisterchromatids of homologous pairs of chromosomes complete their separation and the chromosomes coil tightly shortening and thickening.