Examlex
You discover a fossil with feathers on forelimbs,short hind limbs,and teeth.You conclude that this organism appears early on a phylogenetic tree for which group of organisms?
Anaphase II
A stage in meiosis II where sister chromatids are pulled apart by spindle fibers towards opposite poles of the cell.
Meiosis
A process of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.
Centromeres
The region of a chromosome where the two sister chromatids are joined, playing a crucial role during chromosome segregation in cell division.
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