Copies of a chromosome produced by replication within a living eucaryotic cell during the prophase (i.e., the first stage of mitosis). They are compact cylinders consisting of DNA coiled around flexible rods of histone protein.
The parallel threads resulting from chromosome duplication before they separate from each other.
One of two parallel filaments making up a chromosome.
One of the two identical strands of a chromosome, occurring as a result of the replication of the chromosome during cell division.
One of the two threadlike strands formed by longitudinal division of a chromosome during mitosis and meiosis. They remain attached at the centromere. Chromatids can be seen between early prophase and metaphase in mitosis and between diplotene and the second metaphase of meiosis, after which they divide at the centromere to form daughter chromosomes.
One of the two potential chromosomes formed by DNA replication of each chromosome before mitosis and meiosis. They are joined together at the centromere and separate at the end of metaphase; then the new chromosomes migrate to opposite poles of the cell at anaphase.