Morrissey's Poem 'Genetics'

In the poem Genetics, Morrissey decides to use the form of a villanelle in order to emphasize the importance of “my hands,” and “my palms.” This is of importance in the poem because, her hands are the only memory she has of the union of her parents, after their divorce/separation.
“My father’s in my fingers,” the speaker does not actually mean that his/her father is actually residing there, but that the speaker’s fingers resemble his/her father's, which allows us to understand the title of the poem;