This type of inheritance has certain unique characteristics, which include the following In humans, the term often refers to traits or disorders influenced by genes on the x chromosome, as it contains many more genes than the smaller y chromosome In this case, the presence of just one copy of the dominant gene on the x chromosome is enough to express the trait in both males and females Each of the three has a unique pattern of inheritance and presentation depending on the sex of the parent and the child They distinguish themselves from autosomal dominance and recessiveness in this way Hemizygosity is observed in the heterogametic sex when a gene is located on a sex chromosome
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