Refreshing Genetics

1
Refreshing Genetics

• HW read 182-186
• HW page 186 1,2,4

2
Vocab Refresher Quickwrite

• Use the following terms to discuss genetics
• DNA
• Adenine
• Phenotype
• Guanine
• Genotype
• Nucleotide
• Double helix
• Chromosome
• Thymine
• Cytosine
• Polymer
• Punnett Square

3
Cell Division

• What cells go through mitosis?
• What cells go through meiosis?
• How can we tell mitosis apart from meiosis?

4
Irregularities

• What are Mendels 3 laws?
• What are some examples of non-Mendelian genetics?
  Why are they irregular?
• Does non-disjunction affect inheritance? Is it
  considered a genetic disorder?

5
Test crosses

• When do we use them?
• What information do we already have?
• How do the results support a conclusion?

6
Punnett Squares

• Give an example of a cross for each of the
  following
• Blood type (codominance)
• White, red, and pink flowers (incomplete
  dominance)
• Sex-linked trait
• Normal Mendelian trait