Relative expression levels of tammar PHLDA2 mRNA. The vertical axis represents the percentage expression levels when the highest result is regarded as 100%. The numbers on the horizontal axis indicate the day of gestation of each sample. "BYS" represents the bilaminar yolk sac; "TYS": trilaminar yolk sac; "Lm": limb and "Lu": lung.
Suzuki et al. BMC Evolutionary Biology 2011 11:244 doi:10.1186/1471-2148-11-244