1. Mendelian Genetics

2. Gregor Mendel

3. Character and Trait

4. Alleles – different versions of a gene
Alleles – different versions of a gene. Both genes code for flower color.

5. Need 2 Alleles to make a trait

6. One from EACH parent Sperm AND Egg

7. True breed versus hybrid

8. Phenotype vs. Genotype Physical Trait vs. Gene allele type

9. Test Cross

10. Monohybrid Punnett

11. Dihybrid Punnett

12. Independent Assortment – See the different outcomes at the bottom
Independent Assortment – See the different outcomes at the bottom? It was because of how they lined up on the midplane.
Key
Maternal set of
chromosomes
Possibility 1
Possibility 2
Paternal set of
chromosomes
Two equally probable
arrangements of
chromosomes at
metaphase I
Metaphase II
Daughter
cells
Combination 1
Combination 2
Combination 3
Combination 4

13. Chance has NO memory.

14. Complete Dominance

15. Incomplete Dominance

16. Codominance

17. Multiple Alleles (multiple combinations) Codominance – See AB blood

18. Polygenic Traits

19. Pedigree Dominant Condition on the left
Pedigree Dominant Condition on the left. Recessive Condition on the right.

20. Cystic Fibrosis

21. Sickle-Cell Disease

22. Simple Dominant Traits

23. Achondroplasia

24. Autosomes and linked genes

25. Genetic Recombination

26. Parental type (left) Recombinant type (right) What happened?

27. Sex –Linked Female See the two X chromosomes?

28. Sex-Linked Male See the one X chromosome?

29. Conception Some sperm have Xs and some have Ys Which one did you get from your father?

30. Pedigree of Color Blindness

31. Pedigree of Hemophila