self incompatibility (Science: plant biology) Inability of pollen grains to fertilize flowers of the same plant or its close relatives. acts as a mechanism to ensure out breeding within some plant species, for example in the case of the s gene complex in brassicas...
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..
The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..
