The above pedigree shows a particular inherited trait. the first-generation father passes the trait on to all his daughters and none of his sons. his daughters pass the trait on to half of their children regardless of gender. based on this information, which of the following statements about the expressed trait is most likely correct?

a.
it is a sex-linked dominant allele.
b.
it is an autosomal recessive allele.
c.
it is a sex-linked recessive allele.
d.
it is an autosomal dominant allele.