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Aurelia Rohan

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Is Polydactyly autosomal or sex-linked?

Polydactyly is typically autosomal, meaning it is not linked to the sex chromosomes. However, in some rare cases, polydactyly can be part of a sex-linked genetic disorder.


Is Klinefelter Syndrome sex-linked or autosomal?

Klinefelter Syndrome is sex-linked, because it is a genetic defect that results in a male having an extra X chromosome.


What is a sex-linked disorder and how does it affect individuals?

A sex-linked disorder is a genetic condition caused by a gene located on the sex chromosomes. These disorders primarily affect individuals of a specific sex, usually males, because they have only one X chromosome. This can result in a higher likelihood of males inheriting the disorder compared to females. Sex-linked disorders can impact various aspects of health, such as vision, blood clotting, and muscle function, leading to symptoms and complications that can vary in severity.


In Which statements is true of linked alleles?

Linked alleles are located on the same chromosome and therefore tend to be inherited together. This means they are less likely to undergo genetic recombination. However, linked alleles can still be separated through processes like crossing over during meiosis.


Why does a female with a gene for a sex-linked disorder usually appear normal?

A female with a gene for a genetic disorder will usually only have it on one of her two X chromosomes. The other chromosome will carry the healthy version of the gene, which will carry out that gene's function when the other chromosome cannot. Males will exhibit the disease if they have the gene as a male human only has one X chromosome. So, in order for a female to have a genetic disorder carried on her sex chromosome her mother would have to have the defective gene and her father would have the disorder.