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Yes, you can have a baby, even if you have a Robertsonian Translocation. (I have a Robertsonian Translocation and I have a three-year-old daughter.) There is a lot of genetic information involved, however, so the best thing to do would be to contact a genetic counselor who could advise you and explain your chances. For instance, a baby that survives to birth may have completely normal chromosomes or may also have a Robersonian Translocation, but in either of those cases, the baby would be fine. The good news, though, is that you can have a baby!
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What is the difference between translocation and nondisjunction?
Nondisjunction is when a Chromosome is unable to separate correctly during cell devision. Translocation (In Chromosomes) is when an abnormality is caused by the rearrangement of parts between non-homologous Chromosomes.
What are 4 types of chromosome structural changes?
The four types of alterations of chromosome structure are deletion, duplication, inversion, and reciprocal translocation. Deletion is the loss of one or more nucleotides from a gene by mutation; the loss of a fragment of a chromosome. Duplication is repition of a part of a chromosome resulting from fusion with a fragment froma homologous chromosome. Duplication can result from an error in meiosis or from mutagenesis. Inversion is a change in a chromosomeresulting from reattachment of a chromosome fragment to the original chromosome, but in a reverse direction. Mutagens and errors during mesosis can cause inversions. Translocation is the attachment of a chromosomal fragment to a nonhomologous chromosome.
Down synndrome often occurs when?
The Occurrence of Down Syndrome Most of the time, the occurrence of Down syndrome is due to a random event that occurred during formation of the reproductive cells, the ovum or sperm. As far as we know, Down syndrome is not attributable to any behavioral activity of the parents or environmental factors. The probability that another child with Down syndrome will be born in a subsequent pregnancy is about 1 percent, regardless of maternal age. For parents of a child with Down syndrome due to translocation trisomy 21, there may be an increased likelihood of Down syndrome in future pregnancies. This is because one of the two parents may be a balanced carrier of the translocation. The translocation occurs when a piece of chromosome 21 becomes attached to another chromosome, often number 14, during cell division. If the resulting sperm or ovum receives a chromosome 14 (or another chromosome), with a piece of chromosome 21 attached and retains the chromosome 21 that lost a section due to translocation, then the reproductive cells contain the normal or balanced amount of chromosome 21. While there will be no Down syndrome associated characteristics exhibited, the individual who develops from this fertilized egg will be a carrier of Down syndrome. Genetic counseling can be sought to find the origin of the translocation. However, it is important to realize that not all parents of individuals with translocation trisomy 21 are themselves balanced carriers. In such situations, there is no increased risk for Down syndrome in future pregnancies. Researchers have extensively studied the defects in chromosome 21 that cause Down syndrome. In 88% of cases, the extra copy of chromosome 21 is derived from the mother. In 8% of the cases, the father provided the extra copy of chromosome 21. In the remaining 2% of the cases, Down syndrome is due to mitotic errors, an error in cell division which occurs after fertilization when the sperm and ovum are joined. The incidence of Down syndrome rises with increasing maternal age. From: Ali Sabah Al-Takmachi, College: Medicine , UOS Reference: http://www.nichd.nih.gov/publications/pubs/downsyndrome.cfm
How do you use able and unable in a sentence?
Here is an example of them both being used: Although the baby was able to stand while holding on to something, he was still unable to walk.
How do particles move from an area of high to an area of low concentration?
In cells, diffusion moves by facilitated diffusion, active transport, ABC transporters, group translocation or osmosis. Some of these move molecules from a low concentration to a higher and against the gradient.Simple diffusion moves molecules from a high concentration to a lower concentration.
What are two major causes responsible for Down syndrome?
Down syndrome is the most common genetic cause of ID (intellectual disability). Down syndrome is caused by trisomy for chromosome specifically, duplication of 21q22.95% of cases result from nondisjunction and resultant standard trisomy 21.The remaining 5% are relatively evenly split between robertsonian translocation, of which 14;21 translocation is most common and about half are familial.note :robertsonian translocation is a common form of chromosomal rearrangement that in humans occurs in the five acrocentric chromosome pairs, namely 13, 14, 15, 21, and 22.
What is another word for translocation?
Leaching is another word for translocation.
What is transfer of genes between nonhomologous chromosomes?
translocation!
What occurs when a segment breaks of chromosome breaks off and reattaches to another chromosome?
translocation
A mutation caused by a piece of DNA breaking away from its chromosome and becoming attached to a nonhomologous chromosome is called?
This condition is referred to as chromosomal translocation.
Down syndrome parents have a downs baby?
Unless one has translocation (inherited) Down syndrome than No, they more than likely Won't.
Is prader-willi syndrome a result of translocation?
According to the research I've done, Prader-Willi Syndrome is rarely a result of translocation, but it is a possibility. Translocation in this syndrome results in an inactivation of genes on the paternal chromosome 15.
Translocation and transpiration?
There is a direct relationship between translocation and transpiration. Translocation refers to movement of sugars which are dissolved in the phloem while transpiration refers to the process through which water is moved from the roots to the stomata through the xylem.
Suppose you're looking through a microscope and you see and exchange of chromosome segments between chromosome pair 7 and chromosome pair 15 This condition is an example of?
It's a translocation, specifically a balanced translocation.
Are translocation and maginot line the same thing?
Translocation and the Maginot Line are very different things. Translocation means to change position.Ê The Maginot Line was a static line of fortification on the French and German borders in the 1930's.
Is down syndrome cause by translocation?
It can be.
Does group translocation requires energy?
no
