Differential screening
process in development of a multicellular organism by which cells become specialised for particular functions. Requires that there is selective expression of portions of the genome, the fully differentiated state may be preceded by a stage in which the cell is already programmed for differentiation but is not yet expressing the characteristic phenotype determination.
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..