Comparison between X-Linked Traits and Y- Linked Traits

By: Prof. Dr. Fazal Rehman | Last updated: February 3, 2024

  Let me share with you a comparison between X-Linked Traits and Y- Linked Traits.  
Aspect     X-Linked Traits         Y-Linked Traits
Genes location on chromosome Genes are located on the X chromosome. Genes are located on the Y chromosome.
Inheritance pattern Typically, X-linked traits are recessive or dominant. Y-linked traits are usually dominant.
Affected individuals ·        Both males and females can carry and express X-linked traits. ·        Males are more often affected due to hemizygosity. ·        Only males (XY individuals) express Y-linked traits. ·        Females (XX) do not carry these traits.
Mode of transmission ·        Mothers can pass X-linked traits to both sons and daughters. ·        Fathers pass the Y chromosome to their sons. ·        Y-linked traits are transmitted exclusively from fathers to their sons.
Examples ·        Hemophilia ·        Red-green color blindness ·        Duchenne muscular dystrophy ·        Hemophilia ·        Male pattern baldness ·        Y-linked congenital deafness
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