Definition noun A medical term used to refer to a condition or state in which a woman has never given birth to a child, or has never carried a pregnancy. Supplement Word origin: from Latin nūllus, none + parere, to give birth. Related forms: nulliparous (adjective). Compare: multiparity...
Human consciousness and behavior are an interesting topic since they are determined and controlled by the brain. Conscio..
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
One of Mendel’s law of inheritance is the “law of dominance”. Read this tutorial to know more about this form of i..
