Genetics Crosses Ch. 9.2 (p )

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Presentation transcript:

Genetics Crosses Ch. 9.2 (p.174-178) Monohybrid cross = genetic cross of one trait Predicted by simple Punnet square

Genetics Crosses Ch. 9.2 (p.174-178) Complete dominance = one allele is completely dominant over the other Incomplete dominance = 2 or more alleles influence the phenotype Codominance = both alleles are expressed in a heterozygous offspring

Genetics Crosses Ch. 9.2 (p.174-178) Dihybrid cross = cross between individual parents involving two independent traits Make a 16 square Punnet Give each column/row one allele for each trait to get the 4 possibilities. (if easier split the traits) Follow alleles to fill in the Punnet squares How do we write the Punnet square?

Genetics Crosses Ch. 9.2 (p.174-178)

Genetics Crosses Ch. 9.2 (p.174-178)

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