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How many barr bodies are found in an extra y chromosome?
Barr bodies are inactivated X chromosomes found in females, and males typically do not have Barr bodies since they have one X and one Y chromosome. In the case of an individual with an extra Y chromosome (for example, XYY syndrome), there are no Barr bodies present, as Barr bodies are formed from X chromosomes only. Therefore, the presence of an extra Y chromosome does not contribute to Barr body formation.
Is barr body found in 80 percent polymorphonuclear leucocytes?
The Barr body is a condensed, inactive X chromosome typically found in female cells. It is not typically found in polymorphonuclear leukocytes but rather in cells where X chromosome inactivation has occurred, such as in female somatic cells. The presence of a Barr body does not specifically relate to polymorphonuclear leukocytes.
What is the Number of Barr bodies inside cheek cell of male with Klinefelter's Syndrome?
A male with Klinefelter's Syndrome (XXY genotype) would have two Barr bodies in each cheek cell, as they have an extra X chromosome. This extra X chromosome forms Barr bodies inactivated during embryonic development, leading to the presence of two Barr bodies in cells with two X chromosomes.
Where is a barr body found?
A Barr body is the inactivated X chromosome that is usually found in the nuclei of female somatic cells. It can also occur in males when there is an abnormality and the male is XXY instead of the normal XY, a condition known as Klinefelter's syndrome. In this case, the male somatic cells would also contain a Barr body. --- The Barr body is the highly-condensed chromatin structure taken up by an inctivated X chromosome. The number of Barr bodies equal the number of inactive chromosomes.
An inactive X chromosome which is found in females is referred to as?
X inactive chromosomes are called Legit Durification
How many barr bodies are found in an extra y chromosome?
Barr bodies are inactivated X chromosomes found in females, and males typically do not have Barr bodies since they have one X and one Y chromosome. In the case of an individual with an extra Y chromosome (for example, XYY syndrome), there are no Barr bodies present, as Barr bodies are formed from X chromosomes only. Therefore, the presence of an extra Y chromosome does not contribute to Barr body formation.
How does the cell adjust to the extra X chromosome in female cells?
In females, the extra X chromosome becomes inactive and becomes the Barr body.
Is barr body found in 80 percent polymorphonuclear leucocytes?
The Barr body is a condensed, inactive X chromosome typically found in female cells. It is not typically found in polymorphonuclear leukocytes but rather in cells where X chromosome inactivation has occurred, such as in female somatic cells. The presence of a Barr body does not specifically relate to polymorphonuclear leukocytes.
What is the Number of Barr bodies inside cheek cell of male with Klinefelter's Syndrome?
A male with Klinefelter's Syndrome (XXY genotype) would have two Barr bodies in each cheek cell, as they have an extra X chromosome. This extra X chromosome forms Barr bodies inactivated during embryonic development, leading to the presence of two Barr bodies in cells with two X chromosomes.
Where is a barr body found?
A Barr body is the inactivated X chromosome that is usually found in the nuclei of female somatic cells. It can also occur in males when there is an abnormality and the male is XXY instead of the normal XY, a condition known as Klinefelter's syndrome. In this case, the male somatic cells would also contain a Barr body. --- The Barr body is the highly-condensed chromatin structure taken up by an inctivated X chromosome. The number of Barr bodies equal the number of inactive chromosomes.
Does the inactivated X chromosome cause Down syndrome?
No, Down syndrome is caused by nondisjunction resulting in an extra chromosome in the 21st pair. An inactivated X chromosome (Barr body) is normal for all females. Females inherit two X chromosomes, and one is heavily methylated.
How many Barr bodies cell does XXXY has?
A Barr body is an inactivated X chromosome. An XXXY cell would contain 1 Barr Body. Men have no Barr bodies, and women have 1.
An inactive X chromosome which is found in females is referred to as?
X inactive chromosomes are called Legit Durification
How does the cell adjust to the extra X- chromosome in the female cells?
In female cells with an extra X chromosome (resulting in a condition called Triple X syndrome), the cell can undergo a process called X-inactivation where one of the X chromosomes is inactivated to prevent overexpression of genes. This helps balance gene dosage between XX and XY individuals. However, not all genes on the extra X chromosome may be inactivated, which can lead to variable symptoms in individuals with Triple X syndrome.
A human cell with 2 Barr bodies and no Y chromosome is from?
The human cell is most likely from a female individual. Barr bodies are inactivated X chromosomes in females, and the absence of a Y chromosome indicates that the individual does not have male sex chromosomes.
How many barr bodies are present in a normal xx female?
A normal XX female will typically have one Barr body, which represents the inactivated X chromosome. The other X chromosome is active, while the inactive X chromosome condenses into a Barr body during development to compensate for gene dosage between males and females.
Do people with Klinefelter's syndrome have an inactivated X chromosome or a bar body?
People with Klinefert´s syndrome have one barr body. Yes , the number of barr bodies in a cell is always equal to the number of X chromosomes minus one. For example in the XXY chromosome there is one Barr body
