Does the body structure of the cave fish and the minnow suggest a common ancestry?

yes because of the fins,scales,and backbone

c is the answer. hope this

the principle of segregation describes how pairs of gene variants are separated into reproductive cells. from his data, mendel formulated the principle of segregation. we now know that the segregation of genes occurs during meiosis in eukaryotes, which is a process that produces reproductive cells called gametes.