Search Results for: variant
Codominance
Codominance Definition Codominance is a form of inheritance wherein the alleles of a gene pair in a heterozygote are fully... Read More
Polymorphism
Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More
Woolly cheetah
Woolly cheetahs were reported in the 19th century as a separate species of cheetah that had longer, denser fur. Several... Read More
Spontaneous generation
Definition noun plural: spontaneous generations The previously popular notion that living organisms arise or develop from... Read More
Centromere
Centromere Definition Centromere is defined as the point of attachment for the sister chromatids generated after DNA... Read More
Complete dominance
Complete Dominance Definition Genetics is the study of how traits are inherited by organisms and in what ways these... Read More
Multiple alleles
Alleles are the pairs of genes occupying a specific spot called locus on a chromosome. Typically, there are only two alleles... 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
Nucleosome
Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More
Genetic variability
Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More
Homogenous
What is homogenous? What does homogenous mean? The word homogenous has been derived from two Greek words that are... 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
PEP carboxylase
Definition noun An enzyme in the carboxylases responsible for the formation of the four-carbon compound oxaloacetate by... Read More
Controlled variable
Definition noun, plural: control variables A variable that remains unchanged or held constant to prevent its effects on the... Read More
Megakaryocyte
Definition noun, plural: megakaryocytes A large cell in the bone marrow with characteristic lobulate nucleus and is... Read More
Phloem fiber
Definition noun (botany) The elongated sclerenchyma cells in the phloem, and is responsible for providing tension strength... Read More
Bast fiber
Definition noun (botany) The durable, nonliving sclerenchyma fiber in the phloem, providing support to the... Read More
F-prime bacterium
Definition noun, plural: F' bacteria The bacterium possessing a plasmid containing the F factor and a part of the bacterial... Read More
Base pair substitution
Definition noun, plural: base pair substitutions A type of mutation involving replacement or substitution of a single... Read More
Replacement model
Definition noun A theory proposed by Christopher Stringer and Peter Andrews suggesting that the place of origin of modern... Read More
Dimerization
Definition noun, plural: dimerizations (1) The chemical reaction that joins two molecular subunits, resulting in the... Read More
Heterodimerization
Definition noun The process of coming up with a single compound by joining two different subunits. Supplement Word origin: ... Read More
Homodimerization
Definition noun The process of joining two identical subunits to form a single compound. Supplement Word origin: Greek... Read More
Microtubule organizing center
Definition noun A structure inside the cell from where microtubules organize following depolymerization to turn into tubular... Read More
Cell center
Definition noun The region in the cytoplasm containing the centrioles, and usually adjacent to the nucleus of the... Read More
Non-living thing
Non-living Thing Definition A non-living thing in biology means any form without a life, such as an inanimate body or... Read More