recessive
adj
1 (biology 生) (of characteristics inherited from a parent, such as the colour of the eyes or of the hair) not appearing in a child but remaining hidden because of the presence of stronger characteristics (指遺傳性狀, 如眼睛或毛發的顏色)隱性的, 潛性的. Cf 參看 dominant.
2 having a tendency to recede or go back (傾向於)後退的, 倒退的.