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Pterochroza ocellata, the peacock katydid, is an insect in the family Tettigoniidae from the Amazon rainforest in South America. It is the only species in the genus Pterochroza . The species is a leaf-mimic katydid; when it is in repose its camouflage resembles a diseased or dead leaf.
Leucism (/ ˈ l uː s ɪ z əm,-k ɪ z-/) [2] [3] [4] is a wide variety of conditions that result in partial loss of pigmentation in an animal—causing white, pale, or patchy coloration of the skin, hair, feathers, scales, or cuticles, but not the eyes. [4] It is occasionally spelled leukism.
Tietz syndrome is caused by mutations in the MITF gene, located on human chromosome 3p14.1-p12.3. [2] [4] [7] It is inherited in an autosomal dominant manner. [2]This indicates that the defective gene responsible for a disorder is located on an autosome (chromosome 3 is an autosome), and only one copy of the defective gene is sufficient to cause the disorder, when inherited from a parent who ...
The brilliant iridescent colors of the peacock's tail feathers are created by structural coloration, as first noted by Isaac Newton and Robert Hooke.. Structural coloration in animals, and a few plants, is the production of colour by microscopically structured surfaces fine enough to interfere with visible light instead of pigments, although some structural coloration occurs in combination ...
Download as PDF; Printable version; In other projects Wikimedia Commons; ... The genus name is the Latin word for a peacock. [2] The type species is the Indian ...
Champagne gene, describes a different dilution gene in horses that also creates cream coloring, pale skin with mottling and light-colored eyes. Pearl gene, also called the "Barlink factor", is a recessive gene. One copy of the allele has no effect on the coat color of black, bay or chestnut horses.
Leucism is a rare genetic pattern that causes a reduction in the pigment of an animal's hair and skin. The natural colour of the red deer ranges from dark red to brown.They are often thought to be albinos; however, unlike albinos, who have characteristically red eyes, deer with leucism have normal colouring in their eyes.