Lab 5: Quantifying Cold Tolerance of Various Species of Drosophila, and its Evolutionary Relationshi

Themeanwakeuptimeswouldthenbeanalyzedforrelationshipto

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ionofwhetherornotthiscoldtolerance ­ orifitisduetothedevelopmentofsaidtoleranceinacommonancestor,thathasbeenslightly honedbyeachspeciesfortheirownneed.  Totestthis,16differentspeciesofDrosophilanativetodistinctregionsinrelationship totheequatorwereplacedinafreezerandthenremoved,andthetimeittookforthedifferent individualsofeachspeciestowakeupwascountedandcompliedtoformmeanwake  ­uptimes. Themeanwakeuptimeswouldthenbeanalyzedforrelationshiptothemidpointlatitudeof abitat.Furthermore,toestablishiftherelationshipisbasedonindependent naturalselectionofeachspecies,orifitwasbasedoncommonevolutionaryconnection,a correlationgraphwasalsotobegeneratedforcomparison MaterialsandMethods  Membersof16speciesofDrosophilawereplacedintubesbasedonspecies;these tubeswerethenplacedone ­by ­oneinthefreezerwith15 ­minuteintervalsinbetweenthem. Eachtubewasthenremovedaftercompleting3hoursofstayinfreezingconditions,inthe  orderofwhichtheycameout,sothateachtubewasremovedinintervalsof15minutes.Upon beingremovedfromthefreezer,themembers...
View Full Document

  • Spring '12
  • ProfessorHyatt
  • Biology, Evolution, adaptations0200to0200deal0200with0200the0200differences0200in0200climates0200in0200their0200respective0200regions.0200Of0200p articular0200, interest0200in0200this0200experiment0200is0200the0200cold0200tolerance0200of0200various0200species0200of0200 Drosophila0200from0200different0200, line0200was0200then0200generated0200under0200the0200assumption0200that0200the0200 data0200generated0200was0200due0200to0200, The0200mean0200wake0200up0200times0200and0200midpoint0200latitude0200of0200the0200species0200tested0200can0200be0200 seen0200in0200, which0200hypothesis0200 0200the0200phylogenetic0200or0200, )0200had0200

{[ snackBarMessage ]}

Ask a homework question - tutors are online