p. 46p. 46(on the back of your Smiley Chart)(on the back of your Smiley Chart)

Genetics and ProbabilityGenetics and Probability

ProbabilityProbability – a number that describes how – a number that describes how likely it is that an event will occur.likely it is that an event will occur.

Genetic outcomes can be Genetic outcomes can be predictedpredicted based based on probability.on probability.

Each genetic outcome is an Each genetic outcome is an independentindependent event.event.

Examples - Examples -

Punnett Square – a chart that shows all Punnett Square – a chart that shows all the the possiblepossible combinationscombinations of alleles that of alleles that can result from a genetic cross. can result from a genetic cross.