Line of the
was used in transcriptome sequencing. (A) Both parents are orange scallop. (B) Offspring with orange and brown coloration segregation obtained by crossing two orange scallops. (C) Four kinds of tissues: gonad (a), mantle (b), gill (c), and adductor muscle (d). Male scallop has a white or lighter orange color gonad, while female scallop has a heavier orange color gonad.