In enact to understand about ancestral disorders ace must start from the beginning. Cells argon the basis of the human body. In the jail jail mobile phone a nucleus is located. The nucleus is what controls the cell and is where most communicable material is located. Each cell is make up of 46 chromosomes. Chromosomes ar composed of deoxyribonucleic acid. Deoxyribonucleic acid is a chemical that carries brokertic information. Located on the DNA abandon are genes which are inherited from parents. When genes are passed to offspring diseases are also sometimes past to cause genetic disorders. catching Disorders are a mutation in a gene. Mutations are changes in the DNA sequence and can happen anytime, from being a unity cell to being 100 age old. There are several type of genetic mutations that occur, chromosome abnormalities, single- gene disorder, multifactorial disorder, and mitochondrial disorder. Chromosome abnormalities occurs when the chromosome or segment of the chromosome is missing, duplicated, or altered in a bearing that is not normal to it. An abnormal descend of chromosomes is when nondisjunction occurs in the testicle and sperm cell. In nondisjunction copies of a chromosome do not in good order separate during division. When this happens 2 copies of that particular chromosome are placed in the sex cell.

When and if this cell is used it will come unitedly with one from some other sex cell leaving third copies of this chromosome. Three copies of a chromosome are called trisomy. In most cases trisomy is fatal however thither are some instances where it is allowed and when this happens a cause defect occurs. ware syndrome and Turners s yndrome are slips of chromosome abnormaliti! es. Down syndrome is genetic disorder that causes rational retardation, nervus facialis disformations, and decreases muscle tone. The disorder happens on the twenty - inaugural chromosome. It is an example of... If you want to get a full essay, order it on our website:
OrderEssay.netIf you want to get a full information about our service, visit our page:
write my essay
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.