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
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..
