1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) an unforeseen obstacle 2) a period marked by distinctive character or reckoned from a fixed point or event 3) (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information DOWN 1) ___ color or pigment; the chromatic color resembling the hue of blood 2) a large vase that usually has a pedestal or feet 3) the cry made by sheep ** Scroll down for solution. ** Are you sure you want to peek? rub era dna