Sentences with phrase «pigment genes»

The phrase "pigment genes" refers to the specific genes responsible for determining the color or pigment in an organism's skin, hair, or eyes. Full definition
The team discovered that visual pigment genes have changed substantially during snake evolution, including many changes to the wavelengths of light that the pigments are sensitive to.
Neitz's new work rests on a detailed molecular analysis of pigment genes that encode proteins responsible for the eye's sensitivity to various wavelengths of visible light.
The next step, he said, is to demonstrate the same results among those called protananamolous, who suffer from a less common form of color blindness involving an overabundance of red pigment genes.
The genes that affect hair colour also affect other cancer types, while other pigment genes affect the chances of having Crohn's and other forms of bowel disease.
Researchers analyzed the genomes of 16 related orange and white tigers in captivity, fully mapping those of the three parent tigers to show that a mutation in one pigment gene called SLC45A2 is at play — the very same gene that drives lighter coloring in people of European ancestry, chickens, and some mice.
«Evolutionary shifts from blue to red flowers in Penstemon predictably involves degeneration of the same particular flower pigment gene, suggesting there are limited genetic «options» for evolving red flowers in this group,» said Wessinger.
Now, researchers have discovered how the corals» pigment genes control the range of colors they can produce.
Albino is the result of a defective pigment gene that also produces abnormal development of the eyes.
Florigene researchers had to splice a gene that produces the blue pigment delphinidin into rose DNA and also turn off the rose's natural red pigment gene.
Many of these genes lie within the DNA segment that differs between carrion and hooded crows, suggesting that somehow the pigment genes that give the two groups their unique appearance are also keeping the species separate.
Reasoning that the female version of L - opsin might also do the trick for males, researchers from the University of Washington used a harmless virus to carry the pigment gene behind the monkeys» retinas.
The more copies of the pigment gene a coral has, the brighter its range of potential colors.
At a very early stage, I introduced the pigmented genes into the white embryos with a syringe.
So what they did was they put into E. coli genes for pigment to turn it dark and they essentially linked up these pigment genes with light sensing genes, and so if you exposed a big plate of E. coli to a picture on your bright light, it would make its own picture.
Using a harmless virus, the scientists introduced the pigment gene into the eyes of color - blind adults.
Pigment genes could affect the chances of having Crohn's or other bowel diseases.
Genetic transmission of deafness in dogs with the recessive alleles of this pigment gene, such as the Dalmatian (which is homozygous for sw), is less clear.
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