During mitosis, a diploid nucleus divides to produce diploid daughter nuclei.
Two identical chromatids are called sister chromatids .
Attached to each other at centromere.
During nuclear division, sister chromatids separate at the centromeres, and each duplicated chromosome gives rise to two daughter chromosomes.
Mader: Biology 8 th Ed.
Duplicated Chromosomes Mader: Biology 8 th Ed. Each chromosome as it passes through cell cycle… G1 phase S phase End of mitosis one copy of info DNA replicated; Sister chromatids separate; 2 copies of info Each cell has 1 copy of info Centromere 1 sister chromatid