Chromatids

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Sister chromatids are 2 identical strands of DNA, held together at the centromere after being copied in the S-Phase of the Cell cycle [1]. During mitosis chromatids separate, each entering identical daughter cells.

Dyad

A dyad [2] is a sister pair of chromatids. These are generated in prophase 1 of meiosis. The two sisters line up side by side and share a centromere.

References

  1. ↑ Alberts et al. (2008) The Molecular Biology Of The Cell, 5th edition, New York:Garland Science.
  2. ↑ Alberts et al, (2008) Molecular Biology of the Cell. 5th edition. New York, Garland Science
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