Genotype and Phenotype Allele from male parent Gene

Genotype and Phenotype

Allele from male parent Gene for fur color Allele from female parent Gene for fur color

ff homozygous FF P homozygous Parent generation purebred

Parent Homozygous FF F F f F f f Ff F f Homozygous ff Parent

F 1 Filial Generation 1 Phenotype Genotype Ff Phenotype

Heterozygous Ff F F F F f f Ff f f Heterozygous Ff

F 2 Filial Generation 2 FF Ff Ff ff

Yellow corn and white corn diagram Does not have Has gene to make yellow color Gene to make yellow color

2 copies of gene If either allele has the code For making the yellow color, The corn is yellow. YY Yellow is dominant. You can use capital Y for the label. Yy

Parent YY Crosspollination Parent yy Y Y y Yy Yy

F 1 Generation Yy Yy

Yy Parent Y Yy Parent y Y Yy y y

F 2 Generation YY Yy Yy yy

Quiz What is the genotype? What is the phenotype? ff 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

F 1 Filial Generation 1 Parent Purple aleurone Purple Clear Parent Clear aleurone Clear Purple

PP Parent Crosspollination Purple aleurone P pp Parent Clear aleurone P p Pp Pp

Pp Purple aleurone

Parent Purple aleurone P Parent Purple aleurone p P Pp pp

F 2 Generation PP Pp Pp pp