Inheritance in Mammals: Mouse Coat

Gamete PoolsGamete Pools

FertilizationFertilization

Gametogenesis

F1 Hybrid crossF1 Hybrid cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

Parental CrossParental Cross

Inheritance in Mammals: Mouse Coat

Black X White

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross F1 Hybrid crossF1 Hybrid cross

Inheritance in Mammals: Mouse Coat

Black X White

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross F1 Hybrid crossF1 Hybrid cross

B B

Inheritance in Mammals: Mouse Coat

Black X White

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross F1 Hybrid crossF1 Hybrid cross

B B BB

Inheritance in Mammals: Mouse Coat

Black X White

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross F1 Hybrid crossF1 Hybrid cross

B B BB

Inheritance in Mammals: Mouse Coat

Black X White

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross F1 Hybrid crossF1 Hybrid cross

B B BBB B B B

Inheritance in Mammals: Mouse Coat

Black X White

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross F1 Hybrid crossF1 Hybrid cross

Inheritance in Mammals: Mouse Coat

Black X White

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

B B B B

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross F1 Hybrid crossF1 Hybrid cross

b bb

bb b

b b

Inheritance in Mammals: Mouse Coat

Black X White

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross

Note: Eggs do not undergo meiosis II until they have been fertilized.

F1 Hybrid crossF1 Hybrid cross

Inheritance in Mammals: Mouse Coat

Black X White

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross

Note: Eggs do not undergo meiosis II until they have been fertilized.

F1 Hybrid crossF1 Hybrid cross

BB B B B B B

B

Inheritance in Mammals: Mouse Coat

B

Black X White

Gametogenesis

B

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

bb

B

b

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross F1 Hybrid crossF1 Hybrid cross

bb

bB

Inheritance in Mammals: Mouse Coat

Black X White

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross F1 Hybrid crossF1 Hybrid cross

Inheritance in Mammals: Mouse Coat

black X white

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype BB bb

F1 Hybrid

Genotype: Bb

Phenotype: black

Gamete PoolsGamete Pools

FertilizationFertilization

Parental CrossParental Cross

Bb

F1 Hybrid crossF1 Hybrid cross

Inheritance in Mammals: Mouse Coat

Gamete PoolsGamete Pools

FertilizationFertilization

Parental crossParental cross

Gametogenesis

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

F1 Hybrid CrossF1 Hybrid Cross

Inheritance in Mammals: Mouse Coat

Black X Black

Gametogenesis

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb BbBlack X Black

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

B b

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

Black X Black

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

B B bb

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

Black X Black

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

B B bb

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

Black X Black

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

B B bbB B b b

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

Black X Black

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

B B b b

Black X Black

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

bbb b

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

Black X Black

B

B BB

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

bb

BB BB

bbbbBB

bb

b b

B Bb

bb b

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

Black X Black

BB BB

F1 Hybrid CrossF1 Hybrid Cross

Note: Eggs do not undergo meiosis II until they have been fertilized.FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

Black X Black

bb

BB BB

bbbbBB

bb

F1 Hybrid CrossF1 Hybrid Cross

Note: Eggs do not undergo meiosis II until they have been fertilized.FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

bb

BB BB

bbbbBB

bb

bb

BB BB

bbbb

BB

bb

BBbb

bbBB

B

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

b

Black X Black

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

bb

BB BB

bbbb

BB

bb

bbBB

bbBB

bbBB

B

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

BBBB

bb

b

BBbb

bb bb

Black X Black

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

bb

BB BB

bbbb

BB

bb

BBbb

BBbb

Bbb

B bbBB

B

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

bb BbB bb

Black X Black

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

bb

BB BB

bbbb

BB

bb

bbBB

bbBB

bBB

b

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

b

BBbb

b

BB

bbBb

Black X Black

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

bb

BB BB

bbbb

BB

bb

BBbb

BBbb

Bbb

B bbBB

B

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

b

B

bb

Black X Black

B

Bb

Bb

Development of F2 phenotype

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype

BBbb

Inheritance in Mammals: Mouse Coat

Gametogenesis

Bb Bb

B

b

B

bb

BB

Bb

Bb

bbBB

Black X Black

Development of F2 phenotype

F1 Hybrid CrossF1 Hybrid Cross

FertilizationFertilization

Gamete PoolsGamete Pools

Parental crossParental cross

PhenotypePhenotype

SpermatogenesisSpermatogenesis OogenesisOogenesis

GenotypeGenotype