Warning: Use of undefined constant referer - assumed 'referer' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 102

Warning: Use of undefined constant host - assumed 'host' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 105

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 106

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 109
Albinism - Term Papers

Albinism

. The word refers to a group of inherited conditions. People with have little or no pigment in their eyes, skin, or hair. Recently a test has been developed to identify carriers of the gene for ty-neg and for other types in which the tyrosianase enzyme does not function. The test uses a sample of blood to identify the gene for the tryrosinase enzymes by its code in DNA. The above test does not apply to to one type of , called X-linked ocular . For X-linked inheritance, the gene for is located on an X chromosome. Females have two X chromosomes, while males only have one X and one Y chromosome. This X-linked accurs exclusively in males. The gene is passed from mothers who carry it to ...

Want to read the rest of this paper?
Join Essayworld today to view this entire essay
and over 50,000 other term papers

or recessive trait. In complete , there is lack of pigmentation in skin and hair, as well as in retinal and iris tissue; in incomplete , skin and hair may vary from pale to normal; in ocular , function may vary from norma to impaired. Impairments may involve the retina and iris. If a person has then they usually have somewhere between 20/70 and 20/200 visual. Ty-Neg or also called type 1A results from a genetic defect in an enzyme called tyrosinase. Tyrosinase helps the body to change the amino acid tyrosine into pigment. An amino acid is a building block of protien. is passed from parent to their kid through genes. For nearly all types of both parent must carry an gene to have a child with . Parents may have normal pigmentation but still carry the gene. When both parents carry the gene, there is a one in four chance at each pregnancy that the baby will be born with . This type of inheritance is called autosomal recessive inheritance. Eye conditions common in include: ˇ ...

Get instant access to over 50,000 essays.
Write better papers. Get better grades.

Already a member? Login

CITE THIS PAGE:

APA
MLA
Chicago
Turabian

Albinism. (2007, April 27). Retrieved January 22, 2025, from http://www.essayworld.com/essays/Albinism/63975

"Albinism." Essayworld.com. Essayworld.com, 27 Apr. 2007. Web. 22 Jan. 2025. <http://www.essayworld.com/essays/Albinism/63975>

"Albinism." Essayworld.com. April 27, 2007. Accessed January 22, 2025. http://www.essayworld.com/essays/Albinism/63975.

JOIN NOW

Join today and get instant access to this and 50,000+ other essays

PAPER DETAILS

Added: 4/27/2007 01:30:27 AM
Category: Science & Nature
Type: Premium Paper
Words: 644
Pages: 3

Save |