(Definition of âposteriorlyâ from the Cambridge Advanced Learner's Dictionary & Thesaurus Â© Cambridge University Press) Translations of âposteriorlyâ in Chinese (Simplified)
In this diagram of a duplicated chromosome, (2) identifies the centromereâthe region that joins the two sister chromatids, or each half of the chromosome.he centromere (centro- + -mere) is the part of a chromosome that links sister chromatids. During mitosis, spindle fibers attach to the centromere via the kinetochore. Centromeres were first defined as genetic loci that direhromosomes.
Meiosis I and meiosis II like those in mitosis. Before meiosis begins, each chromosome is duplicated, just as in mitosis. Prophase I-each duplicated chromosome comes near its similar duplicated mate. Metaphase I-the pairs of duplicated chromosome line up in the center of the cell.