Search Results for: pigmentation
Pleiotropy
Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... Read More
Hypomelanism
All the body cells of living organisms bear some color due to one or the other pigment molecule or complex. The pigment can... 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
photobiology
Photobiology Definition Photobiology, the biology of light, is a subdiscipline in biology. It focuses on the effects of... Read More
Independent variable
Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More
Genetic Control – On and Off Genes
Reviewed by: Mary Anne Clark, Ph.D. This lesson looks at the various factors involved that affect growth and... Read More
Chromatophore
Definition noun, plural: chromatophores A pigment-containing cell or light-reflecting structure, especially found in fish,... Read More
Melanogenesis
Definition noun The process of producing melanin Supplement Melanogenesis is the process of melanin production. Melanocytes... Read More
Effect of Chemicals on Growth & Development in Organisms
Plants Plants require a large number of elements to function properly, mainly carbon, oxygen, and hydrogen, essentially... Read More
Polygenic inheritance
Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More
Pheomelanin
Definition noun A type of melanin pigment that is made up of benzothiazine units and is responsible for yellow and pink to... Read More
Melanophore
Definition noun, plural: melanophores A type of pigment cell that, in particular, produce and store... Read More
Basal layer
Definition noun (1) The innermost layer of the epidermis made up of basal or germinative cells capable of proliferating by... Read More
Convoluted
The word convoluted is often used to describe different things, especially structures or components, that have overlapped.... Read More
Neuromelanin
Definition noun A type of melanin pigment present in parts of the brain, particularly in the neurons of substantia nigra and... Read More
Physiological adaptation
If we look over evolutionary history, we find that it’s neither the most genius and intelligent nor the strongest and the... Read More
Cyanobacteria
Cyanobacteria Definition Cyanobacteria is a group of photosynthetic bacteria widely distributed in various aquatic habitats... Read More
Sexual selection
What is Sexual Selection? The definition of sexual selection is very interesting in biological terms. The sexual selection... Read More
Natural selection
Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More
Achromia parasitica
Achromia parasitica a phase of lessening or absence of pigmentation in cutaneous lesions, caused by the fungus Malassezia... Read More