Answer:
Sex-linked diseases are passed down through families through one of the X or Y ... Dominant inheritance occurs when an abnormal gene from one parent ... Someone who has one abnormal gene (but no symptoms) is called a carrier. ... Females can get an X-linked recessive disorder, but this is very rare.
X-linked genetic disorders In humans, the alleles for certain conditions (including some forms of color blindness, hemophilia, and muscular dystrophy) are X-linked. ... Women who are heterozygous for disease alleles are said to be carriers, and they usually don't display any symptoms themselves.
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