genotype and phenotype. allele from male parentallele from female parent gene for fur color
Post on 21-Dec-2015
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Genotype and
Phenotype
Allele from male parent Allele from female parent
Gene for fur color Gene for fur color
P Parent generation
f fhomozygous
F Fhomozygous
purebred
F F
f
f
Parent
Parent
F F
F F
f f
f f
Homozygous ff
Homozygous FF
F1 Filial Generation 1
Genotype F f
Phenotype
Phenotype
Genotype F f
Genotype F f Genotype F f
F f
F
f
F F
F f
F f
f f
Heterozygous Ff
Heterozygous Ff
F2 Filial Generation 2
F f
F f
F F
f f
Yellow corn and white corn diagram
Has gene to make
yellow color
Does not have
Gene to make
yellow color
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
Y Y
y
y
ParentYY
Parentyy
Y Y
Y Y
y y
y y
Crosspollination
F1 Generation
Y y
Y y Y y
Y y
Y y
Y
y
Yy Parent
Yy Parent
Y Y
Y y
Y y
y y
F2 Generation
Y Y
Y y y y
Y y
Quiz
What is the genotype?
What is the phenotype?
WhiteWhite
Quiz
What is the phenotype?
What is the genotype?
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.
HomozygousPurple aleurone
P Parent generation
HomozygousClear aleurone
Purple
Clear
Purple Purple
Clear
Clear
ParentPurple aleurone
ParentClear aleurone
F1 Filial Generation 1
P P
p
p
PP ParentPurple aleurone
pp ParentClear aleurone
P P
P P
p p
p p
Crosspollination
Pp Purplealeurone
PpPurple aleurone
P p
P
p
ParentPurple aleurone
ParentPurple aleurone
P P
P p
P p
p p
F2 Generation
P P
p pP p
P p