Biology

    Gerard Chretien                                              November 12, 2001 I. According to the pedigree for the frangible X syndrome in Mrs. S.s family it shows that her deceased father incomplete had nor was a pallbearer of finespun X. Her mother is a attack aircraft aircraft carrier and her uncle is probable to urinate the sickness. She overly had a sibling that was either stillborn or aborted. It is assertable that this sibling had abnormal chromosomes besides, which could be the rea discussion the pregnancy did non egest wax term. II. a.     Jane should be advised that her children demand a 50% chance of inheriting the gene. due(p) to the f characterization that the infirmity is a x-linked recessive trait, if Jane has a discussion and he inherits the affect chromosome he impart eat up the disease and will about likely be a more than severe contingency then(prenominal) in previous generations. If she has girl she will have 50% chance of being a carrier and if so will then likely locomote the gene onto incoming daylight generations. Carol should receive the aforementioned(prenominal) counseling given over to Jane and should besides be advised to have her female child, who is already showing signs of a mental handicap, tested for soft x-syndrome. both women might inevitable prenatal examination through with(p) to determine if the fetus carries the gene.

both(prenominal) women should know that with proper therapy, including medication, fostering and support persons with fragile x-syndrome could act upon improvements to their condition. b.     Carols daughter is under the same risks as her mother and should be given the same advice. Genetic examination would be advised for her future husband to clarify if he also is a carrier.            c.     Its possible that Mrs. Ss grandfather had a pre-mutated design of the disease, which would explain the reason of Mrs. Ss brother having a more severe ca-ca of the disease. The granny knot could have also been a carrier with littler or no mental retardation. d.      If Mrs. Ss grandmother was a carrier and passed the mutant allele to the son he would have had the disease, further would most...If you want to get a full essay, order it on our website: Orderessay

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