NROC34H3 Lecture Notes - Monarch Butterfly Migration, Expressed Sequence Tag, Circadian Clock
Document Summary
Poster party print out poster, ask people about their posters. Butterflies and turtles: 2 articles: merlin et al, be familiar with the process of reading articles. Neuroanatomical basis: cry1 and cry2; per, timeless expression; antennae. Monarch butterfly migration and the sun compass: autumn migrants use the same overwintering ground every year. Physiologically, are not ready to reproduce: short days in september are perceived by monarch butterflies which triggers diapause. If perceiving amount of sunlight in a day, that sets of a whole different physiological trajectory. Male declining ejaculatory duct mass and increases in female photoperiod- induced diapause both describe monarch butterflies" changing reproductive status with season. Coincide with their leaving for mexico: as they leave for mexico, notice less sunlight and stop reproducing. How to investigate the genetic basis of butterfly migration: late summer generation makes autumn migration to gulf coast, to describe behaviour: at the timing of behaviour (lake, summer, autumn)
