The Lefty1-H2BmCherry BAC transgenic line (Accession No. CDB0036T) that harbored the H2BmCherry cDNA in the Lefty1 gene was generated with a BAC vector (RP23-230B21, BACPAC Resources (Oakland, CA)). The H2BmCherry coding sequence was inserted at the start codon of the Lefty1 gene us...