Q: What disease is given as an example of a sex-linked trait?


Read this paragraph and choose the correct option from the provided answers:

Hemophilia is a sex-linked trait. Carrier mothers can pass along the affected allele to 50% of their sons. Females with hemophilia would have to receive an affected allele from each parent, making females with hemophilia rare.

 Choices:

- arthritis

- hypertension

- emphysema

- hemophilia


A:
hemophilia