Definition
noun
The chromosome that shorten, thicken, and separate into distinct chromatids joined at the centromeres, particularly during prophase I of meiosis I.
Supplement
Word origin: Greek pakhus, thick
See also: prophase I, meiosis I
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..
If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them,..
This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..
