1. February 18, 2016 Bell Work: What is a test cross? Objective:
The student will be able to…
Describe the heredity of traits in genetics.

2. Today in History
1861 Jefferson Davis was sworn in as president of the Confederate States of America in Montgomery, AL
1930 Photographic evidence of Pluto was discovered by Clyde W. Tombaugh at Lowell Observatory in Flagstaff, AZ

3. Genetics Exam

4. Vocabulary- Populations
Population size
Population density
Dispersion
Population model
Exponential growth curve
Carrying capacity
Density-dependent factor
Logistic model
Density- independent factor
R- strategist
K- strategist

5. Vocabulary- Populations
Hardy-Weinberg principle
Gene flow
Nonrandom mating
Genetic drift
Polygenic trait
Normal distribution
Directional selection
Stabilizing selection

6. Ticket Out
What is a population?