Wednesday, July 18, 2007

MENDELIAN INHERITANCE: Problem Solving Tips

Monohybrid and Dihybrid Crosses
1. Choose a letter to represent the genes in the cross.
2. Indicate the genotypes of the parents.
3. Determine the possible gametes that can be produced by the parents.
4. Enter the possible gametes at the top and left hand side of the Punnett square.
5. Complete the Punnett square by writing the allelic combinations based on the gametes in the appropriate boxes corresponding to genotypes of the offspring.
6. Determine the phenotypes of the offspring.

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