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Does x-inactivation happen in klinefelters syndrome?
X-inactivation typically occurs in individuals with Klinefelter syndrome, which is characterized by having an extra X chromosome (XXY). However, the extra X chromosome in Klinefelter syndrome may not undergo inactivation completely, leading to some cells expressing genes from the additional X chromosome. This can result in a variety of symptoms and characteristics associated with Klinefelter syndrome.
What is the x chromosome inactivation?
this is the process by which one of the two copies of the X-chromosomes present in female animals is inactivated
Which term describes something that happens in female mammals?
X chromosome inactivation happens in female mammals.
Who discovered the Xist gene?
The Xist gene was discovered by Catherine D. Ballabio and Alan P. Wolffe in 1991. They identified it as a key player in X-chromosome inactivation in female mammals.
Are Barr body projection of extra chromatin on the an X chromosome?
Yes, a Barr body is an inactivated X chromosome seen in the nuclei of female mammals. It appears as a small, dense, dark-staining body due to the condensation of the chromatin, which is a result of X chromosome inactivation to equalize gene expression between males and females.
What is x chromosome inactivation in human system?
its not inactive
Does x-inactivation happen in klinefelters syndrome?
X-inactivation typically occurs in individuals with Klinefelter syndrome, which is characterized by having an extra X chromosome (XXY). However, the extra X chromosome in Klinefelter syndrome may not undergo inactivation completely, leading to some cells expressing genes from the additional X chromosome. This can result in a variety of symptoms and characteristics associated with Klinefelter syndrome.
Occurs when one x-chromosomes is randomly turned off and forms a barr body?
X-chromosome inactivation is a normal process in female mammals where one of the two X chromosomes is randomly inactivated in each cell during embryonic development. The inactivated X chromosome forms a structure called a Barr body, which helps to equalize gene expression between males (XY) and females (XX). This process ensures that both males and females have a similar dosage of X-linked genes.
What is the x chromosome inactivation?
this is the process by which one of the two copies of the X-chromosomes present in female animals is inactivated
What accounts for the mosaic color pattern of a female calico cat?
X chromosome inactivation
Is there a way to detect a carrier of autism?
Yes, testing the mother for skewed x-inactivation.
Why is X-inactivation necessary in individuals with two X chromosomes?
X-inactivation is necessary in individuals with two X chromosomes to ensure that only one X chromosome is active in each cell. This process helps to balance gene expression between the two X chromosomes and prevent an imbalance of gene dosage, which could lead to developmental abnormalities and disorders.
What is the difference between x-inactivation and genomic imprinting?
The difference between them is that : In genomic imprinting : one of the alleles in the two chromosomes ( for example the color of the eyes ) are tend to be heavily methylated, in contrast to the nonimpringting copy of the allele which typically is not methylated. In X-chromosome in activation : As you know in female there are two X chromosomes, so one of the two X xhromosomes is methylated which mean one of the two chromosomes become inactivation.
Why does x inactivation occurs in female not in male?
Male carry XY genotype whereas female has XX. Two copies of X chromosome means, there is a great chance of potentially toxic double dose of X-linked genes. It is known that 1000s of genes responsible for growth and cell viability are there in X chromosomes.To avoid the over production of these genes in female (where 2 X chromosomes present), there is a mechanism evolved that transcriptionally control or silence on of these two X chromosome.http://www.nature.com/scitable/topicpage/x-chromosome-x-inactivation-323
Which term describes something that happens in female mammals?
X chromosome inactivation happens in female mammals.
How might x inactivation cause patchy hairiness on women who have congenital generalized hypertrichosis even though the disease causing allele is dominant?
Since one X chromosome in each cell is randomly inactivated at some point during development, a woman heterozygous for hypertrichosis would have varying regions of patchy hair if the alleles responsible for the trait were located on the X chromosome. Variation would look similar to the varied tortoise shell coat color pattern on female cats, where the presence of yellow and black (red and gold/blue and cream) is controlled by X chromosome inactivation.
Idempotent laws for boolean algebra?
X + x = x x.x=x
