Complete the Punnett Square below:

  AB
a    
b    

Show the combinations

  AB
aAaaB
bAbBb

Show Dominant pairs (4):

Aa

aB

Aa

Bb

Show Recessive pairs (0):

Calculate genotype probabilities:


P(AB) = 1/4 = 0.25 or 25%
P(Ba) = 1/4 = 0.25 or 25%
P(Ab) = 1/4 = 0.25 or 25%
P(Bb) = 1/4 = 0.25 or 25%


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How does the Punnett Square Calculator work?
Free Punnett Square Calculator - Completes a punnet square based on genotypes
This calculator has 4 inputs.
What 3 formulas are used for the Punnett Square Calculator?
P(Aa) = 2/4 = 0.5 or 50%
P(aA) = 1/4 = 0.25 or 25%
P(aa) = 1/4 = 0.25 or 25%
What 4 concepts are covered in the Punnett Square Calculator?
frequency
number of times a data value occurs
probability
the likelihood of an event happening. This value is always between 0 and 1.
P(Event Happening) = Number of Ways the Even Can Happen / Total Number of Outcomes
punnett square
a square diagram that is used to predict the genotypes of a particular cross or breeding experiment.
table
lists of numbers showing the results of a calculation with varying arguments
Example calculations for the Punnett Square Calculator
Punnett Square Calculator Video

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