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Y linkage, also known as holandric inheritance (from ancient greek hlos, whole andrs, male), describes traits that are produced by genes located on the y chromosome. Sex-linked traits are associated with genes found on sex chromosomes (x and y). As the female x-chromosome is larger, x-linked traits are more common than y-linked traits. An example of a sex-linked trait is red-green colorblindness, which is carried on the x-chromosome. Sex linked is a trait in which a gene is located on a sex chromosome. In humans, the term generally refers to traits that are influenced by genes on the x chromosome. This is because the x chromosome is large and contains many more genes than the smaller y chromosome. Definition noun, plural sex-linked traits a trait genetically determined by an allele located on the sex chromosome supplement a sex-linked trait is a trait that is controlled by a gene or an allele located on the sex chromosome. In humans, the sex chromosomes are the x chromosome and the y chromosome. A trait that is determined by the allele on x chromosome is particularly described as x. Sex-linked traits on the x and y chromosomes 600 go to genetics & hereditary traits ch 10. Genetic engineering basics go to genetic engineering basics ch 11. Human genetic disease - human genetic disease - sex-linked inheritance in humans, there are hundreds of genes located on the x chromosome that have no counterpart on the y chromosome. The traits governed by these genes thus show sex-linked inheritance. This type of inheritance has certain unique characteristics, which include the following (1) there is no male-to-male (father-to-son.). A sex chromosome, (also referred to as an allosome, heterotypical chromosome, or heterochromosome, or idiochromosome) is a chromosome that differs from an ordinary autosome in form, size, and behavior. The human sex chromosomes, a typical pair of mammal allosomes, determine the sex of an individual created in sexual reproduction. - x - linked traits cant never be passed from father to son - y - linked traits will never affect females - sex - linked traits are usually disordersdeficiency - most are found on the x chromosome, y - linked disorders are rare - males are at a much greater risk. These genes are either y-linked if found on the y chromosome or x-linked if found on the x chromosome. Since males only have one x chromosome (xy), in x-linked recessive traits, the phenotype is fully expressed. However, in x-linked dominant traits, both males and females who have an abnormal.

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