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Quiz: Active

Which allele combination represents a female who is a carrier for an X-linked recessive disorder?

A. [tex]X^RX[/tex]
B. [tex]X'X'[/tex]
C. [tex]X^RY[/tex]
D. [tex]XY[/tex]

Sagot :

GinnyAnswer

Final answer:

Females need two copies of an X-linked allele to express the trait; otherwise, they are carriers. The allele combination XRX represents a female carrier of an X-linked disorder.


Explanation:

X-linked recessive disorders are disproportionately observed in males. Females need to inherit recessive X-linked alleles from both parents to express the trait; otherwise, they are typically unaffected carriers. For a female to be a carrier of an X-linked disorder, she must have the allele combination XRX.


Learn more about X-linked recessive disorders here:

https://brainly.com/question/39542978


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