Discuss the inheritance pattern that would be seen in a pedigree designed to study a recessive sex-linked...?

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characteristic.


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Answer 1

If a gene is found only on the X chromosome and not the Y chromosome, it is said to be a sex-linked trait. Because the gene controlling the trait is located on the sex chromosome, sex linkage is linked to the gender of the individual. Usually such genes are found on the X chromosome. The Y chromosome is thus missing such genes. The result is that females will have two copies of the sex-linked gene while males will only have one copy of this gene. If the gene is recessive, then males only need one such recessive gene to have a sex-linked trait rather than the customary two recessive genes for traits that are not sex-linked. This is why males exhibit some traits more frequently than females.
Examples of Sex-linked Traits:
Red-green colorblindness, Male Pattern Baldness, Hemophilia

Answer 2

If the area is intercourse-appropriate, the predominance of those effected could be male. With attention that of those effected that 10 are lady and 5 are male, i might doubt that the trait is intercourse-appropriate and that your supposition, that the trait is autosomal recessive, is right. even nonetheless, without being waiting to make certain the pedigree, it could be very puzzling to make an absolute selection.

Answer 3

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