February 6 2017 presentation - cusd80.com

Admit Ticket

Take notes on “Cell Division and the Cell Cycle” https://www.youtube.com/watch?v=Q6ucKWIIFmg

https://www.youtube.com/watch?v=Q6ucKWIIFmg

DUE TODAY

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HOMEWORK: Student Weekly Grade Tracking #23

http://www.powerpointhintergrund.com/uploads/new-year-ppt-background-8.jpg

DUE TODAY

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CLASSWORK: OPEN BINDER/NOTE TEST #3 (2ND HOUR 2/7/16)


DUE TODAY(2ND)

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CLASSWORK: Punnet Square Exercises (Binder) CLASSWORK: Bikini Bottom Genetics (TURN IN)


DUE 2/13/17

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HOMEWORK: Student Weekly Grade Tracking #24


DUE 2/13/17

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EXTRA CREDIT: CELL ANALOGY PROJECT


Cell Processes and

Microscope Quiz Review

http://www.cpsk12.org/cms/lib8/MO01909752/Centricity/Domain/3616/Microscopes.pdf

http://images.slideplayer.com/18/6108476/slides/slide_5.jpg

https://s3.amazonaws.com/classconnection/832/flashcards/7682832/jpeg/meiosis_med-14CB5F866824D14146D.jpeg

Exit Ticket WORKSHEET(BINDER)

Mitosis Coloring Worksheet (BINDER)

Open Binder/Note Test #3

https://blog.prepscholar.com/hubfs/body_testinprogress.gif?t=1484754694564http://cdn.tristro.net/catalog/883/full/188015.jpg

©Fall2005,PflugervilleISD,7thGrade

copyrightcmassengale

16

Gregor Mendel (1822-1884)

The Father of Genetics


GregorJohannMendel

▪Austrianmonk▪Studiedtheinheritanceoftraitsinpeaplants▪Developedthelawsofinheritance▪Mendel'sworkwasnotrecognizeduntiltheturnofthe20thcentury

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GregorJohannMendel

▪Between1856and1863,Mendelcultivatedandtestedthousandsofpeaplants

▪Hefoundthattheplants'offspringretainedtraitsoftheparents

copyrightcmassengale 18


copyrightcmassengale

19

▪Mendelstatedthatphysicaltraitsareinheritedas“particles”

▪Mendeldidnotknowthatthe“particles”wereactuallyChromosomes&DNA

ParticulateInheritance


Whypeas,Pisumsativum?

▪Canbegrowninasmallarea▪Producelotsofoffspring▪Producepureplantswhenallowedtoself-pollinateseveralgenerations▪Canbeartificiallycross-pollinated

copyrightcmassengale 20


MendelandHisPeas

• Mendeltested7traits:1. Flowercolor2. Flowerposition3. Seedcolor4. Seedshape5. Podshape6. Podcolor7. Plantheight

http://www.fieldmuseum.org/exhibits/traveling_mendel.htm


MendelandHisPeas

• Mendelcrossedflowersthatweretrue-breedingforeachcharacteristic.

• Hecrossedapurple(PP)floweredplantwithawhite(pp)floweredplant.(ParentGeneration)

http://biology.kenyon.edu/courses/biol114/KH_lecture_images/Mendel/Mendel.html


MendelandHisPeas

• Thefirstgeneration(F1)ofplantsallhadpurpleflowers.

• Wheredidthewhitecolorgo??

(Pp)

(Pp)

(Pp) (Pp)

PurpleParent(PP)


MendelandHisPeas

• Mendeltooktwoofhisfirstgeneration(F1xF1)purplefloweredplantsandcrossedthemtogether.

• Inthesecondgeneration(F2)hehad3purplefloweredplants,and1whitefloweredplant.

(PP) (Pp)

(Pp) (pp)

PurpleParent(Pp)


MendelandHisPeas

• Mendelnoticedinthefirstgeneration,allofthewhiteflowersseemedtodisappear.

• Hecalledthisarecessivetrait.• Thewhitecolorfadedintothebackgroundatfirst.

• Itshowedupinthenextgenerationwhenhepollinatedtheflowers.


MendelandHisPeas

• Thecolor(purple)thatseemedtomaskovertherecessivecolorwasnamedthedominanttrait.


MendelandHisPeas

• Mendelwasresponsibleforfiguringoutthateachplantcarriedtwosetsofinstructionsforeachcharacteristic(onefromthe“mom”andonefromthe“dad”).

• Likemanyscientists,hisworkwasnotaccepteduntilafterhisdeath.


Let’sReview

1.Ifyoucrossedatrue-breedingblackrabbitwithatrue-breedingwhiterabbit,alloftheoffspringwouldbeblack.Whichtraitisdominantinrabbits:blackfurorwhitefur?

2.Whichtraitisrecessive?


Answer

• Thetraitforblackfurisdominantoverthetraitforwhitefur.Thewhitefurtraitisrecessive.

http://www.buckeyevalleyfarms.freeservers.com/photo.html

(Bb)(Bb)

(Bb) (Bb)

BlackRabbit(BB)


Google’stributetoMendelJuly2011


ScienceHumor


MendelandHisPeas

Vocabulary1. Heredity-thepassingoftraitsfrom

parenttooffspring.2. Self-pollinate-Aplantisoftenableto

pollinatebyitselfbecauseitcontainsboththemaleandfemalereproductivestructures.Thisonlyrequires1parent.


MendelandHisPeas

3.True-breeding-alloftheoffspringwillhavethesametraitastheparentwhenself-pollinated

4. First-generation-theveryfirstsetofoffspringfromtwoparents

5. Dominanttrait-thetraitobservedwhenatleastonedominantalleleforacharacteristicisinherited


MendelandHisPeas

6.Recessivetrait-atraitthatisapparentonlywhentworecessiveallelesforthesamecharacteristicareinherited

7. Genes-asegmentofDNAthatcarrieshereditaryinstructionsandispassedfromparenttooffspring

8. Alleles-multipleformsofthesamegene


MendelandHisPeas

9. Genotype-anorganismsinheritedcombinationofalleles

10.Phenotype-anorganismsinheritedappearance

HAVE A WONDERFUL

DAY!http://media1.nordiclifescience.org/2014/08/dna-structure.jpg

February 6 2017 presentation - cusd80.com

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