首页 / 官方藏书 / Piebald rats and selection / Table 55.—F₂ descendants of the original mutant male, 4763, +5½, mated with females of the minus series. (Compare Table 52.)
首页 / 官方藏书 / Piebald rats and selection / Table 55.—F₂ descendants of the original mutant male, 4763, +5½, mated with females of the minus series. (Compare Table 52.)