actumnan
actumnan actumnan
  • 25-02-2020
  • Biology
contestada

Can a female be a carrier for a sex-linked recessive trait? Explain.

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Emmybom
Emmybom Emmybom
  • 25-02-2020

Answer:

Females can get an X-linked recessive disorder, but this is very rare. An abnormal gene on the X chromosome from each parent would be required, since a female has two X chromosomes. ... In each pregnancy, if the mother is a carrier and the father has the disease, the expected outcomes are: 25% chance of a healthy boy.

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