Different groups of people have responded to feminism, and both men and women have been among its supporters and critics. Among American university students, for both men and women, support for feminist ideas is more common than self-identification as a feminist.
Sister chromatids are the two identical halves of a single replicated eukaryotic chromosome. They are joined at the centromere (see diagram at right) and are genetically identical because, during interphase, they are produced from the two complementary strands of a single duplex DNA molecule (more about replication >>).
The second stage of mitosis, in which discrete chromosomes consisting of identical sister chromatids appear, the nuclear envelope fragments, and the spindle microtubules attach to the kinetochores of the chromosomes.