Search Results for: lineage
Phyletic lineage
A phyletic lineage is an unbroken series of species arranged in ancestor to descendant sequence, with each later species... Read More
Mitochondrial DNA not just from moms but also from dads?
If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More
Y chromosome
Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More
Common lymphoid progenitor cell
Definition noun The progenitor cell in the lymphoid lineage capable of differentiating into lymphocyte and lymphoid... Read More
Analogous structures
Analogous Structures Definition In evolutionary biology, analogous structures are biological structures having similar or... Read More
Allopatric speciation
We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More
Population Growth and Survivorship
By: Maria Victoria Gonzaga Previously, we learned about biodiversity and endemism. Now, let's look at the... Read More
Granulopoiesis
Definition noun The hematopoiesis of granulocytes Supplement Hematopoiesis is the process of forming new blood cellular... Read More
Crossbreeding
Definition noun The act or process of producing offspring by mating purebred individuals of different breeds or... Read More
New Zealand’s Unique Fauna
By: Maria Victoria Gonzaga In the previous lesson, we learned about the high biodiversity of New Zealand and how... Read More
Totipotent
Totipotent Definition What is totipotent? In general terms, totipotency is defined as the ability of a single cell to... Read More
Deoxyribonucleic acid
Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More
Phylogenetics
Phylogenetics Definition Phylogenetics is the scientific study of phylogeny. It studies evolutionary relationships among... Read More
Memory T cell
Definition noun, plural: memory T cells A long-lived T cell that bears receptors for an antigen during its encounter with a... Read More
Regional continuity model
Definition noun A scientific model supported by Milford Wolpoff in which it holds that the modern humans came from a single,... Read More
Polyphyletic
Definition adjective Taxonomic groups that have similar character states that descends from one or more ancestral... Read More
Charophyta
Charophyta is a taxonomic group (a phylum) comprised of green algae that live predominantly in freshwater habitats. Members... Read More
Line Of Descent
The descendants of one individual; ''his entire lineage has been... Read More
Plasmablast
Definition noun, plural: plasmablasts An antibody-producing stem cell that could give rise to another of its kind or... Read More
Theory of Neuroscience
Nezih OKTAR Journal of Neurological Sciences (Turkish) 2006, Volume 23, Number 3, Page(s) 155-158. An Open Access... Read More
Consanguinity
Definition noun, plural: consanguinities A relationship that arises from having a common ancestor;... Read More
Biological
Definition adjective (1) Of or pertaining to biology: the scientific study of life (or living things). (2) Of or relating to... Read More
