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X linked recessive

 

we know that a gene is the physical and functional unit of heredity or small portion of DNA as it is responsible for transformation of heridity from parent to offspring.

There is different types of heridity  and x linked recessive is one of the types of heridity.

now comes to point “what is x linked recessive”

X linked recessive inheritance is nothing but only disorder that are located on the x chromosome.male have two  X chromosome ,while male have one  X  and one Y chromosome.

there is a 50 percent  possiblity that daughter in family carry gene and can pass it to the next generation.There is a 50 percent chance that a daughter  in family will not carry the gene.it is same for boys in family.

x linked recessive disorders:-

now we will see most common disorders:

  • X-linked agammaglobulinemia:-it affects the immune system  it is mainly occurs exclusively in males.

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