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Genotype and Phenotype. Allele from male parent. Allele from female parent. Gene for fur color. Gene for fur color. f f homozygous. F F homozygous. P Parent generation. purebred. Parent. Homozygous FF. Homozygous ff. F. f. F. f. f. F. f. F. Parent. F1
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Genotype and Phenotype
Allele from male parent Allele from female parent Gene for fur color Gene for fur color
f f homozygous F F homozygous P Parent generation purebred
Parent Homozygous FF Homozygous ff F f F f f F f F Parent
F1 Filial Generation 1 Phenotype Genotype F f Genotype F f Phenotype Genotype F f Genotype F f
Heterozygous Ff Heterozygous Ff F F F f f F f f
F2 Filial Generation 2 F F F f F f f f
Yellow corn and white corn diagram Does not have Gene to make yellow color Has gene to make yellow color
2 copies of gene If either allele has the code For making the yellow color, The corn is yellow. Yellow is dominant. You can use capital Y for the label. Y Y Y y
Parent YY Crosspollination Y y Y y y Y y Y Parent yy
F1 Generation Y y Y y Y y Y y
Yy Parent Y Y Y y y Y y y Yy Parent
F2 Generation Y Y Y y Y y y y
Quiz What is the genotype? ff What is the phenotype? White
Quiz What is the phenotype? Yellow What is the genotype? Y y or Y Y
aleurone The aleurone is a coating over the corn kernel. If the aleurone is purple it masks the color of the inside of the kernel. Figure out if the gene for purple is dominant or recessive.
P Parent generation Homozygous Purple aleurone Homozygous Clear aleurone
Purple Clear
F1 Filial Generation 1 Parent Purple aleurone Parent Clear aleurone
PP Parent Purple aleurone Crosspollination P p P p pp Parent Clear aleurone p P p P
Pp Purple aleurone Pp Purple aleurone
Parent Purple aleurone P P P p Parent Purple aleurone p P p p
F2 Generation P P P p P p p p