How much does a marine biologist make? According to the U.S. Bureau of Labor Statistics records from May 2012, the 18,650 marine and wildlife biologists employed throughout the United States earn a mean annual marine biologist salary of $62,500, which translates to an average hourly wage of $30.05.
metaphase (ËmÉtÉËfeÉªz) n 1. (Biology) the second stage of mitosis during which the condensed chromosomes attach to the centre of the spindle. metâ¢aâ¢phase (ËmÉt ÉËfeÉªz) n. the stage in mitosis or meiosis in which the duplicated chromosomes line up along the equatorial plate of the spindle.
Metaphase I is when tetrads line-up along the equator of the spindle. Spindle fibers attach to the centromere region of each homologous chromosome pair. Other metaphase events as in mitosis. Anaphase I | Back to Top. Anaphase I is when the tetrads separate, and are drawn to opposite poles by the spindle fibers.