Jill A. Holliday

Learn More
—The effects of specialization on subsequent morphological evolution are poorly understood. Specialization has been implicated in both adaptive radiations that result from key innovations and evolutionary ‘‘dead ends,’’ where specialized characteristics appear to limit subsequent evolutionary options. Despite much theoretical debate, however, empirical(More)
Substantial efforts have been invested in recent years to characterize the expressed genome of major North American spruce species, namely Sitka spruce (Picea sitchensis), white spruce (Picea glauca) and interior spruce (Picea engelmanii × glauca). To date, more than 550,000 spruce expressed sequence tags (ESTs) have been publically deposited, most of which(More)
  • 1