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genetics of progeria

Page history last edited by Jasmine Saylor 13 years, 8 months ago

Progeria Main Page

 

 

The comparison of a progerian child cell (Left) and a healthy child cell. (Right)                           GENETICS

 

Progeria is thought to be caused by a tiny mutation in a zygotes DNA durring conception.  It is 'A one- letter typo in the billions of letters that make up the chromosomal book.' according to the Progeria Research Foundation.

 

                      Progeria is not caused by a defective DNA repair, but   the proteinLamin A  is one of the main factors that causes the rare genetic disorder.Progeria is a dominant trait that develops durring cell division. The LMNA gene replaces Cytosine with Thymine creating an unusable form of the protein Lamin A. Thus causeing a premature proggression of age in the forming Zygote.

 

 

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                          Progeria Diagnoses and symptoms

 

                     Progeria cannot be diagnosed in a child untill aproximetly 9-1o months of age. Almost all babies born with Progeria appear as normal health babies when born. Progeria can be diagnosed throgh a genetic test.

 

   The appearence of a child with progeria can vary greatly. However, most of the physical symptoms in a progerian child include; wrinkeld skin, small birdlike noses, balding of the hair and thinning of the skin.

 

  Children with progeria are reported to have a normal level of intelligence. However there voices do tend to be very higher in pitch compared to others.

 

 

 

                                                

 

 

 

 

 

 

 

 

 

 

 

   

 

Comments (1)

jgeckert@avon-schools.org said

at 9:08 pm on Jan 12, 2010

Did you cut and paste the second paragraph. Make sure you are putting this into your own words and citing all sources. You could probably elaborate a little on defective DNA repair.

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