An egg always contains one chromosome. A sperm may carry either an or a Y chromosome. If the fertilized egg receives a Y chromosome from the sperm at conception, the offspring will college essay help long island a male.
If the best freelance writing websites fertilized egg receives an chromosome from the sperm, the offspring will a female.
Although still not know what personal statement writer causes the fragile X syndrome, believe that the problem results from a defect in one the genes the chromosome.
One the reasons why believe this because the way this condition passed from generation generation. If a woman carries the gene for the fragile syndrome one her two chromosomes, half her eggs will have the chromosome with the gene for the fragile syndrome. As a result this, there will a one in two or a chance that each her children will carry the Men who carry the gene for the fragile syndrome not pass the gene their sons because the sons always receive a Y sex chromosome. do my coursework They will pass the gene for the fragile syndrome all their daughters because the daughters always receive the chromosome with the gene for the fragile syndrome.
Most people who carry the gene for the fragile syndrome have some degree impairment.
When a male has the gene for the fragile syndrome in his cells, there about a four out five or an chance that will mentally retarded. When a female has the gene for the fragile syndrome in her cells, there a one in two or a chance that she will mentally retarded Some men carry the gene for the fragile syndrome and they are completely normal.
They usually have normal children however, their daughters will all receive websites to type papers the gene for the fragile syndrome.
The daughters children, who receive the gene for the fragile need help writing essays syndrome, will have a high chance being affected.
Researchers not understand how some these people can carry an abnormal gene and normal. This information very complicated.
We recommend that families with relatives who have the fragile syndrome obtain genetic counseling for more detailed information. A chromosome with a fragile site. How Do I Know if My Child Has the the help essay on racism Frasile The fragile syndrome diagnosed a special laboratory test called karyotyping. The doctor who evaluating the child draws blood which used for the test. The doctor informs the laboratory that suspects that phd no dissertation the child has the fragile syndrome and a special karyotyping technique used confirm the diagnosis. The abnormality that seen a fragile site at the end the X chromosome figure. The fragile site an area the chromosome, which appears missing some its genetic material. The fragile site located near the gene that causes the fragile syndrome. The fragile site does not show all the chromosomes with the gene for the fragile syndrome and laboratory personnel must examine chromosomes from a large number white blood cells find the fragile sites.