1. Warm Up 1
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In corn, normal kernels (N) are dominant to waxy kernels. If you crossed a waxy kernel plant to a heterozygous normal plant what type of seeds would be produced?
In humans, tongue rolling (T) is a dominant trait, those with the recessive condition cannot roll their tongues. Bob can roll his tongue, but his mother could not. He is married to Sally, who cannot roll her tongue. What is the probability that their first born child will not be able to roll his tongue?

2. Beyond Dominant and Recessive Alleles

3. How might this trait be inherited so that more than two phenotypes are possible?

4. Define the different types of complex inheritance patterns.
OBJECTIVE:
Define the different types of complex inheritance patterns.

5. REVIEW: Mendelian Mendel: Studied pea plants Dominant or recessive
Phenotype: Yellow, Green
Genotype: AA, Aa, aa

6. Some alleles are neither dominant nor recessive, and many traits are controlled by multiple alleles or multiple genes.
Non-Mendelian

8. All inherit different traits
4 different patterns
1) Incomplete Dominance
2) Codominance
3) Multiple Alleles
4) Polygenic
All inherit different traits

9. Incomplete Dominance No allele is completely dominant over another
4 o’clock flowers

10. Incomplete Dominance CC CS SS

11. Sickle Cell Anemia NN - Normal Blood Cells
Nn – Produce Both Normal and Sickled Red Blood Cells
nn - Sickle Cell Anemia 50% chance of death by age 20

12. Oompah Loopas can have red, blue or purple hair
Oompah Loopas can have red, blue or purple hair. Purple hair results from the heterozygous condition.
Odie Oompah has red hair and mates with Ona Oompah who has blue hair.
What percent of their offspring have purple hair?
First, make a “key”

13. Codominance
Both alleles are fully and separately expressed

14. Codominance

15. What is the difference between incomplete dominance and codominance?

16. Multiple Alleles
Genes with more than 2 alleles

17. Multiple Alleles

18. Polygenic Traits Traits controlled by 2 or more genes
Range of phenotypes
height, nose size, foot size, skin color

21. Different traits and organisms inherit through different patterns.
1) Incomplete Dominance
2) Codominance
3) Multiple Alleles
4) Polygenic
Different traits and organisms inherit through different patterns.