inheritance of labrador retriever coat color
DESCRIPTION
INHERITANCE OF LABRADOR RETRIEVER COAT COLOR. T.J. Murphy Benton Community High School Biology. Paul Mugan Waverly Shell Rock High School Biology. HOW IT ALL BEGAN. PETE X DIXIE Chocolate lab X Black lab. BASIC GENETICS. BLACK OR CHOCOLATE. Simple Dominance Black (BB or Bb) - PowerPoint PPT PresentationTRANSCRIPT
T.J. MurphyBenton Community High School Biology
Paul MuganWaverly Shell Rock High School Biology
PETE X DIXIEChocolate lab X Black lab
BLACK OR CHOCOLATESimple Dominance
Black (BB or Bb)
Chocolate (bb)
T
BLACK OR CHOCOLATESimple Dominance BBxbb
B Bb Bb Bbb Bb Bb
T
BLACK OR CHOCOLATESimple Dominance BbxBb
B bB BB Bbb Bb bb
T
YELLOW ?An Epistatic Gene
E_ = Coat color ON
Black or Chocolate
ee = Coat color OFF
YellowP
YELLOW ?Cross of Ee x Ee
E e
E EE Eee Ee ee
P
LAB GENOTYPES
Black Lab?
Chocolate Lab?
Yellow Lab?
P
B_E_
bbE_
_ _ee
Combined genes dihybrid
B E
be BbEe
Cross of BBEE x bbee
T
The DihybridCross of BbEe x BbEe
BE Be bE be
BE BBEE BBEe BbEE BbEe
Be BBEe BBee BbEe Bbee
bE BbEE BbEe bbEE bbEe
be BbEe Bbee bbEe bbeeT
A RATIO VARIATIONCross of BbEe x BbEe
9 BLACK LABS
4 YELLOW LABS
3 CHOCOLATE LABST
SAMPLE CROSSCross BbEe x bbEe
BE Be bE be
bE BbEE BbEe bbEE bbEe
bE BbEE BbEe bbEE bbEe
be BbEe Bbee bbEe Bbee
be BbEe Bbee bbEe BbeeT
1. Donnybrooks Homeboy
1. Leeser's Long Range Sniper Black GENOTYPE
Black GENOTYPE: 2. Black Lace
1. Big River Alex The First Black GENOTYPE:
Black 3. Nimbar's River's N Valleys
2. Grinde's Samantha Black GENOTYPE:
Black GENOTYPE 4. Nimbars Valley Ying-Yang
1. Black Bailey Of Big River Black GENOTYPE:
Black GENOTYPE: 5. Duke Of Vesper
3. Viper Of Plum Hollow Black GENOTYPE
Yellow GENOTYPES 6. Little Duchess Of Godfrey
2. Tiffany Hope Jansen Yellow GENOTYPE:
Black GENOTYPE 7. Vaassen's Duke
4. Josie Lee's Gerlich Black GENOTYES
Black GENOTYES 8. Lange's Maggie
1. Schulteland's Dixie Black GENOTYPE
Black GENOTYPE: 9. Dutch's Little Grizzley Boy
5. Big Boy Trooper Chocolate GENOTYPE:
Chocolate GENOTYPES 10. Five Seasons Corky
3. Sam Best Chance Chocolate GENOTYPE:
Chocolate GENOTYPE: 11. Buffalo Bill VI
6. Buffalo Sady Cinder Chocolate GENOTYPE
Chocolate GENOTYPE: 12. Contessa Loo Cinder
2. Lucky's Little Ace Black GENOTYPE:
Chocolate GENOTYPE: 13. Rovin Cody Brown MH
7. River Valley's Scooter Chocolate GENOTYPE:
Chocolate GENOTYPES 14. Weberpal's Brown Bullet
4. Princess Rose Milhirsch Chocolate Genotypes
Chocolate GENOTYPE: 15. Yaphire Duke Of Smpter
8. Hoofbeat's Sweet Cinders Chocolate GENOTYPE:
Black GENOTYPE: 16. Lady Elizabeth XXXII
Black GENOTYPE:
1. Hares Chocolate Chip 1. Maxwell Mousse Chocolate GENOTYPE:
Chocolate GENOTYPE: 2. Hershi Choco Terrill
1. Hershies Mocco Delight Chocolate GENOTYPE:
Chocolate GENOTYPE: 3. Bo-Jo's Chocolate 2. Maggie Sue Kiefer Chocolate GENOTYPE:
Chocolate GENOTYPE: 4. Tosha Marley
1. J.R. Chocolate GENOTYPE:
Chocolate GENOTYPE: 5. Amos My Man
3. Berners Handy Dan Black GENOTYPE:
Chocolate GENOTYPE: 6. Berners Burnt Snow
2. Gussies Dandy Lucy Yellow GENOTYPE: Chocolate GENOTYPE: 7. Mettlands Brown 4. Grizzley's Brown Chocolate GENOTYPE:
Chocolate GENOTYPE: 8. Lucy's Mischief
1. Murphy's Pete Yellow GENOTYPE:
Chocolate GENOTYPE 9. Paul Copper
5. Jake's Bronze Yellow GENOTYPE: Yellow GENOTYPE: 10. Paul's Penny 3. R Jacob Bettin Yellow GENOTYPE: Black GENOTYPE: 11. My Boy Roy 6. Mi Ginger Rogers Chocolate GENOTYPE:
Chocolate GENOTYPE: 12. Tutie
2. C Holly Peterson Chocolate GENOTYPE: Black GENOTYPE: 13. Chaz Bobby 7. Willow Creek's Chocolate GENOTYPE:
Chocolate GENOTYPE: 14. Jeana Marie
4. Ozark MTAbbycadabby Chocolate GENOTYPE:
Black GENOTYPE: 15. Niko Man 8. Willow Creek's Ink Chocolate GENOTYPE: Black GENOTYPE: 16. Everett's Winnie Yellow GENOTYPE:
PETE X DIXIEbbE_ x BbEE
bE b_
BE BbEE BbE_
bE bbEE bbE_
CLASSROOM RESOURCES
Introduction
Problems and information
CLASSROOM RESOURCES
Pedigree
Dixie’s pedigree with questions
CLASSROOM RESOURCES
Pedigree
Pete’s pedigree with questions
CLASSROOM RESOURCES
Website (on card)
Handouts and PowerPoint available digitally
Iowa Teaching StandardsStandard 2Demonstrates competence in content knowledge appropriate to the teaching position.
a. Understands and uses key concepts, underlying themes, relationships, and different perspectives related to the content area.
d. Understands and uses instructional strategies that are appropriate to the content area.
Standard 4Uses strategies to deliver instruction that meets the multiple learning needs of students.
e. Connects students’ prior knowledge, life experiences, and interests in the instructional process.
Iowa Core Curriculum
Understand and apply knowledge of the molecular basis of heredity.
Organisms have two copies of each chromosome.
Variability occurs as a result of fertilization
Basic patterns of inheritance can be identified
R-4
Single discipline Interdisciplinary Real-World
Evaluation
Synthesis
Analysis
Application
Comprehension
Knowledge
MeiosisBasic GeneticsVocabularyPractice CrossesCoin flip
Segregation of AllelesDihybrid crosses
Labrador DihybridAnalyze Lab Pedigree
Probability
Introduce the DogsDiscuss Coat ColorsWho has a Lab?
B
D
A
C
RIG
OR
RELEVANCE