The dissemination of pathogens and the inoculation of suscepts. When virus is transmitted through the eggs of the infected vector to its progeny. A mode of transovum transmission in which the passage of micro-organisms from mother to egg is known to occur within the ovary. Transmission of a virus from an adult organism to its progeny through the ovaries and eggs. The transmission of micro-organisms from one generation to the next by way of the egg.
Transovarian transmission is a special case of transovum transmission.
The evaporation of moisture from a living plant, mainly through the stomata of the leaf. This moisture represents a surplus from that taken in by the roots and which is not required for photosynthesis. Transposable elements or transposon Sections of DNA that can move from one place to another on one chromosome or move between chromosomes. Sometimes called 'jumping genes'. Transposon mutagenesis Insertion of a transposable element within a gene generally leads to inactivation of that gene resulting in the appearance of a mutant phenotype.