Genotype and Phenotype
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Transcript of Genotype and Phenotype
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Genotype and
Phenotype
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Allele from male parent Allele from female parent
Gene for fur color Gene for fur color
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P Parent generation
f fhomozygous
F Fhomozygous
purebred
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F F
f
f
Parent
Parent
F F
F F
f f
f f
Homozygous ff
Homozygous FF
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F1 Filial Generation 1
Genotype F f
Phenotype
Phenotype
Genotype F f
Genotype F f Genotype F f
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F f
F
f
F F
F f
F f
f f
Heterozygous Ff
Heterozygous Ff
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F2 Filial Generation 2
F f
F f
F F
f f
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Yellow corn and white corn diagram
Has gene to make yellow color
Does not have
Gene to make
yellow color
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2 copies of geneIf either allele has the codeFor making the yellow color,The corn is yellow.
Yellow is dominant. You can usecapital Yfor the label.
Y Y Y y
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Y Y
y
y
ParentYY
Parentyy
Y Y
Y Y
y y
y y
Crosspollination
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F1 Generation
Y y
Y y Y y
Y y
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Y y
Y
y
Yy Parent
Yy Parent
Y Y
Y y
Y y
y y
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F2 Generation
Y Y
Y y y y
Y y
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Quiz
What is the genotype?
What is the phenotype?
White
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Quiz
What is the phenotype?
What is the genotype?
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aleurone
The aleurone is a coating over the corn kernel.
If the aleurone is purple it masksthe color of the inside of the kernel.
Figure out if the gene for purple is dominant or recessive.
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HomozygousPurple aleurone
P Parent generation
HomozygousClear aleurone
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Purple
Clear
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Purple Purple
Clear
Clear
ParentPurple aleurone
ParentClear aleurone
F1 Filial Generation 1
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P P
p
p
PP ParentPurple aleurone
pp ParentClear aleurone
P P
P P
p p
p p
Crosspollination
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Pp Purplealeurone
PpPurple aleurone
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P p
P
p
ParentPurple aleurone
ParentPurple aleurone
P P
P p
P p
p p
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F2 Generation
P P
p pP p
P p