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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.
What chromosome is the sex determining chromosome?
That would be the chromosome number 23. Regarding the [sex] chromosome number 23, the female gametes always have a [haploid] X chromatid, whereas the male gametes are just as likely to possess a [haploid] X chromatid as they are to possess a [haploid] Y chromatid.
Which chromosome is found only in males?
Y chromosome
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.
What are xx chromosomes called?
The XX chromosome is female; the XY is male. They represent the 23 pair of human chromosomes
Why can't a female inherit a gene found on the y chromosome?
Females do not have a Y chromosome, so they cannot inherit genes found on it. The Y chromosome is passed down from father to son, and females inherit two X chromosomes, one from each parent. Therefore, any gene found on the Y chromosome is not present in females.
Why are barr bodies important?
Barr bodies are important because they are condensed, inactive X chromosomes found in female cells, which helps balance gene expression between males and females. This process, called X chromosome inactivation, ensures dosage compensation between sexes and prevents overexpression of genes on the X chromosome in females. Barr bodies also play a role in regulating gene expression and maintaining cellular function.
Why are most sex-linked traits found in the X chromosome?
Most sex-linked traits are found on the X chromosome because males have only one X chromosome, so any gene on the X chromosome will be expressed in males. In females, who have two X chromosomes, one X chromosome can compensate for any harmful gene on the other X chromosome.
Chromosomes found in somatic cells and are perfectly matched in males and females?
Autosomes are the chromosomes found in somatic cells that are perfectly matched in males and females. These chromosomes are responsible for determining non-sex traits in an individual. Both males and females have two copies of each autosome, one from each parent, making them perfectly matched.
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.
Is fragile x syndrome sex linked?
Yes. It is found as a mutation on the X chromosome (a sex chromosome) so it is sex linked. The gene for Fragile X is carried on the X chromosome. Because both males (XY) and females (XX) have at least one X chromosome, both can pass on the mutated gene to their children.
Why is colorblindness found to be inherited into males more than females?
Most color deficiencies are sex linked, meaning the defective genes are on the sex chromosome. In this case, the X chromosome is affected. Since males only have one X chromosome, all males with this particular defective genes will have this condition. Females have 2 X's, it's unlikely that both X's have bad genes at the same time.
Is Angelman Syndrome more common in males or females?
From what I found, they are both equally common.
What chromosome is the sex determining chromosome?
That would be the chromosome number 23. Regarding the [sex] chromosome number 23, the female gametes always have a [haploid] X chromatid, whereas the male gametes are just as likely to possess a [haploid] X chromatid as they are to possess a [haploid] Y chromatid.
What chromosome is the language gene found in?
Chromosome 7
Which chromosome is found only in males?
Y chromosome
The allele for color blindness is found on the x chromosome more males suffer from red-green color blindness tha females because?
Plato Users: A and B.
