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Name:
Computer Score:
Making F1 Hybrids
Hypothesis
stock1
Stock#1
X stock2
Stock#2
The dominant allele is:
The genotype of Stock #1 is:   X   The genotype of Stock #2 is:

Prediction If this hypothesis is true, when we cross the two stocks described here, then we should find progeny as shown in the Punnett Square:
Stock #2 Gametes
Stock #1
Gametes

This Punnett Square predicts that of the progeny will be .

Actual F1 Progeny Resulting From Cross:
Stock#3
stock3
Stock#4
stock4
Stock#5
stock5
Stock#6
stock6
Stock#7
stock7
Stock#8
stock8
Stock#9
stock9
Stock#10
stock10

Decision The hypothesis is:

Notes and Explanation
Clearly one of these alleles is dominant...which one?
The genotype of Stock #1 is most likely:
The genotype of Stock #2 is most likely:
The genotype of F1 Stocks #3-10 is:

 

Making F2 Hybrids
Hypothesis
stockf11
X stockf12
The dominant allele is:
The genotype of is:   X   The genotype of is:

Prediction If this hypothesis is true, then we should obtain F2 progeny as shown in the Punnett Square, when we cross the two stocks described here.
Gametes

Gametes

This Punnett Square predicts that of the progeny will be .

Actual F2 Progeny Resulting From Cross:
Stock#11
stock11
Stock#12
stock12
Stock#13
stock13
Stock#14
stock14
Stock#15
stock15

Decision The hypothesis is:

Notes and Explanation
Clearly one of these alleles is dominant...which one?

Which F2 Stocks (#11-#15) have known genotype because of this cross?
The genotype of Stock #11 is most likely:
The genotype of Stock #12 is most likely:
The genotype of Stock #13 is most likely:
The genotype of Stock #14 is most likely:
The genotype of Stock #15 is most likely:
The rest of your project is to determine the unknown genotypes above by testcross. This means you will cross each of the unknowns above, in turn, with a plant having the genotype:

 

Testcross of an F2 with Unknown Genotype
Hypothesis
Unknown F2 stockp1f21
X stockp1f22
Test Stock
The dominant allele is:
The genotype of is:   X   The genotype of is:

Prediction If this hypothesis is true, then we should obtain F2 progeny as shown in the Punnett Square, when we cross the two stocks described here.
Gametes

Gametes

This Punnett Square predicts that of the progeny will be .

Actual Test-Cross Progeny Results:
Stock#16
stock16
Stock#17
stock17
Stock#18
stock18
Stock#19
stock19
Stock#20
stock20
Stock#21
stock21
Stock#22
stock22
Stock#23
stock23

Decision The hypothesis is:

Notes and Explanation
Clearly one of these alleles is dominant...which one?

The genotype of F2 is most likely:

 

Testcross of an F2 with Unknown Genotype
Hypothesis
Unknown F2 stockp2f21
X stockp2f22
Test Stock
The dominant allele is:
The genotype of is:   X   The genotype of is:

Prediction If this hypothesis is true, then we should obtain F2 progeny as shown in the Punnett Square, when we cross the two stocks described here.
Gametes

Gametes

This Punnett Square predicts that of the progeny will be .

Actual Test-Cross Progeny Results:
Stock#24
stock24
Stock#25
stock25
Stock#26
stock26
Stock#27
stock27
Stock#28
stock28
Stock#29
stock29
Stock#30
stock30
Stock#31
stock31

Decision The hypothesis is:

Notes and Explanation
Clearly one of these alleles is dominant...which one?

The genotype of F2 is most likely:

 

Testcross of an F2 with Unknown Genotype
Hypothesis
Unknown F2 stockp3f21
X stockp3f22
Test Stock
The dominant allele is:
The genotype of is:   X   The genotype of is:

Prediction If this hypothesis is true, then we should obtain F2 progeny as shown in the Punnett Square, when we cross the two stocks described here.
Gametes

Gametes

This Punnett Square predicts that of the progeny will be .

Actual Test-Cross Progeny Results:
Stock#32
stock32
Stock#33
stock33
Stock#34
stock34
Stock#35
stock35
Stock#36
stock36
Stock#37
stock37
Stock#38
stock38
Stock#39
stock39

Decision The hypothesis is:

Notes and Explanation
Clearly one of these alleles is dominant...which one?

The genotype of F2 is most likely:

 

Testcross of an F2 with Unknown Genotype
Hypothesis
Unknown F2 stockp4f21
X stockp4f22
Test Stock
The dominant allele is:
The genotype of is:   X   The genotype of is:

Prediction If this hypothesis is true, then we should obtain F2 progeny as shown in the Punnett Square, when we cross the two stocks described here.
Gametes

Gametes

This Punnett Square predicts that of the progeny will be .

Actual Test-Cross Progeny Results:
Stock#40
stock40
Stock#41
stock41
Stock#42
stock42
Stock#43
stock43
Stock#44
stock44
Stock#45
stock45
Stock#46
stock46
Stock#47
stock47

Decision The hypothesis is:

Notes and Explanation
Clearly one of these alleles is dominant...which one?

The genotype of F2 is most likely:


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