Chromosome Disorder essay topics

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  • Genetic Form Of Night Blindness
    420 words
    Night Blindness is a genetic disorder in which the sufferer has trouble seeing at night. Two things cause this disorder in general. The first cause is a lack of vitamin A which helps develop the retina and vision receptor cells. Vision receptor cells consist of cones and rods, cones for bright light and rods for less light. When there is a vitamin A deficiency, the rod cells don't develop properly. The second cause is a genetic inheritance. Night blindness is a sex-linked disorder because the X-...
  • Turner's Syndrome A Chromosomal Disorder
    813 words
    K alene Szymczak January 22, 2000 Adv. Biology Turner Syndrome Turner's Syndrome- (Webster's definition) A chromosomal disorder resulting in a syndrome characterized by specific dysmorphic features (short stature) and organ malformations (gonadal dysgenesis) Turner's Syndrome- (Anastasia and Rosebud's def.) "It's something that makes me different from other people. It's something that I'm proud of, and ya know what I have a pretty normal life". When I was assigned this report, I decided to do a ...
  • Common In Persons With Pws
    500 words
    Dear Parents, I am writing you because I was informed that you have a child with the Prader-Willi Syndrome (PWS). I have recently been researching this disorder and want to give you some information about it that you may not yet know and suggestions that may help in maintaining your child's health and safety. Prader-Willi Syndrome is a two-stage non-hereditary genetic disorder that occurs in both male and females. The first stage is the mutation of gene expression, the second stage starts after ...
  • Extra Copy Of Chromosome 21
    711 words
    Down syndrome is a genetic disorder in which a person is born with an extra copy of chromosome 21. There are three genetic variations that cause Down syndrome: Trisomy 21, Mosaic Trisomy 21 or Translocation Trisomy 21. There are many ways in which theses disorders affect the body. Trisomy 21 occurs when an egg or sperm comes in with an extra copy of chromosome 21, then, once an embryo is formed and starts to develop, the chromosome is replicated in every single cell of the embryo. Trisomy 21 is ...
  • Egg With An Abnormal Number Of Chromosomes
    300 words
    The name of the disorder is Down's Syndrome or more scientifically known as Trisomy 21. Down's syndrome is characterized by several of the following: broad flat face; up-slanted eyes, sometimes with an inner epicanthal fold; low-set ears; small nose and enlarged tongue and lips; sloping under chin; moderate to sever mental retardation; heart or kidney malformations or both; and abnormal dermal ridge patterns on fingers, palms, and soles. The frequency of giving birth to a child, male or female, ...
  • Trisomy 13
    442 words
    Trisomy 13 (Patau Syndrome) Dr. C. J Gamble To the Parents or Legal Guardians of Patient XC 902-V 42 In our extensive testing it was revealed to us that your son suffers from a genetic disorder called Trisomy 13 or Patau's Syndrome. Trisomy 13 is a syndrome caused by an extra 13th chromosome. As you may be aware that humans have 23 chromosomes in pairs of two. In your son's case the 13 chromosome has and extra pair. Normally it is thought that a Trisomy occurs when, at conception, either the fat...

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