Non-Mendelian Genetics (chapter 17, omit pp

Non-Mendelian Genetics

I. Extra nuclear inheritance (cytoplasmic inheritance): pp. 508-521

A. Mitochondria

1. Organelle DNA description

2. Inheritance is maternal (usually)

3. Mitochondria show homoplasmy (usually)

4. Examples: LHON and yeast petites

B. Chloroplasts

1. Organelle DNA description

2. Example: Zea mays variagation (Fig. 17.9)

C. Infective particles (Example: Kappa in Paramecium)

II. Maternal Effects

A. What is it?

B. Shell coiling and maternal effects

III. Parental imprinting

A. What is it?

B. Example: Prader-Willi Syndrome and Angelman Syndrome

IV. Problems worth solving from chapter 17: 4, 6, 7, 8, 10, 20, 23, 24, 25