leucism造句

• In 1987, an leucism ( they are not albino ).
• A further difference between albinism and leucism is in eye colour.
• Polish swans carry a copy of a gene responsible for leucism.
• The underlying genetic cause is related to a condition known as leucism.
• This is in contrast to albinism, for which leucism is often mistaken.
• Can someone tell me the correct pronunciation of leucism?
• Leucism occurs only in this type of lion, but is quite rare.
• In 2015, a giraffe that is white due to leucism was spotted in the park.
• Tietz syndrome, first described in 1923, is a congenital disorder often characterized by deafness and leucism.
• As these cells are from an independent developmental origin, they are typically unaffected by the genetic cause of leucism.
• The blue eye occurs within a white spot, where melanin is absent from the skin and hair ( see Leucism ).
• Since non-leucistic animals are not attracted by leucism, few leucistic individuals find mates, and leucistic lineages will rarely form.
• Since all pigment cell-types differentiate from the same multipotent precursor cell-type, leucism can cause the reduction in all types of pigment.
• Normal American alligators can live 70 years or more in captivity, but keeper Lazare said the leucism gene seems to be connected somehow to the immune system.
• Leucism is a general term that describes a reduction in pigmentation that is not cell type specific ( in other words, leucistic animals will lose all types of pigment, not just melanin ).
• Although albino peafowl do exist, this is quite rare and almost all white peafowl are not, in fact, albinos; they have a different condition called leucism which causes an overall reduction in different types of pigment.
• This partial leucism is known as a " pied " or " piebald " effect; and the ratio of white to normal-coloured skin can vary considerably not only between generations, but between different offspring from the same parents, and even between members of the same litter.
• The genetic pigmentation disorder " isabellinism " seen in birds is derived from the colour word and is a form of leucism caused by a uniform reduction in the production and expression of melanin resulting in areas of plumage on the back of the bird, normally black, being strongly faded, or isabelline, in appearance.
• It may be that herpetologists, or some herpetologists, or perhaps just the biology department of the university where this blog writer got his degree, pronounce " leucism " with / k /, or perhaps there's disagreement between those who use the English pronunciation with an / s /, and those who attempt an " authentic " Greek pronunciation with a / k /.
• Although these squirrels are commonly referred to as " albinos ", most of them are likely non-albino squirrels that exhibit a rare white fur coloration known as leucism that is as a result of a recessive gene found within certain Eastern gray squirrel ( " Sciurus carolinensis " ) populations, and so technically they ought to be referred to as " white " squirrels, instead of " albino ".