1. 1/12 & 1/ th Grade Agenda
Learning Objective: Learn about Punnett Squares
Collect HW: Reading & Note Taking p. 89 – 92
BrainPop Genetics, Heredity & Genetic Mutations
Video: Genetics
Textbook Reading
HW: Reading & Notetaking p.93– 96
Reminder 1st Semester Final Exam 1/17 & 1/18 (50 Points)
Reminder: HW: Science Fair Background due 1/19 & 1/20 (10 Points)

2. Reflection
Prompt: Complete the following Punnette Square Tt T t T Tt t

3. Reflection Tt T t T TT Tt Tt Tt tt t
Prompt: Complete the following Punnette Square Tt T t T TT Tt Tt t Tt tt

4. 1st Semester Final Exam on 1/17 & 1/18
50 Questions – 50 Points
Chap 1: What is Life Science
Chap 2: Using Light
Chap 3: Cell Structure & Function
Chap 4: Cell Processes & Energy
Chap 10: Structure & Function of Plants
Study Guide for these chapters available at CCMS.CCUSD.ORG

5. Mendel’s Experiment
What would happen if you cross pollinate a tall plant with short plant?
Why?

6. What is a allele?
One part of a gene pair. Alleles represent different varieties of one trait such as height of pea plant.
Two alleles form a gene pair

7. What is a Dominant Allele?
One whose trait always shows up in the organism when the allele is present
Dominant allele is represented by a CAPITAL letter

8. What is a Recessive Allele?
A recessive allele is always covered up or masked whenever the dominant allele is present
Recessive allele is represented by a lowercase letter

9. Phenotype
Genotype
TT X tt
Tt X Tt
TT Tt Tt tt

10. What are Genotype & Phenotype?
Phenotype: Physical appearance
Genotype: Genetic makeup

11. Punnette Squares

12. Practice Creating Punnett SquaresBB B B B b Bb b bb b Bb Bb

13. Practice Creating Punnett SquaresBb B b B B Bb B Bb Bb b bb

14. Practice Creating Punnett SquaresBb B b B b bb b bb Bb b bb

15. Practice Creating Punnett SquaresGG G G G g Gg g gg Gg Gg g

16. What is Codominance?
The alleles are neither dominant nor recessive

17. What is incomplete dominance?
Both alleles are blended in the offspring

18. Human chromosomes
Each human body cell contain 23 chromosomes pairs or ____ chromosomes.
There are 35,000 genes in the chromosomes
The genes are li____ up in the same order on both chromosomes 46
ned

19. Meiosis
Meiosis is the process by which the number of chromosomes is reduced by h____ to form sex cells – spe___ and eggs.
alf rm

20. Meiosis
Meiosis I
Meiosis II

21. Science Fair Background
10 Points
Due 1/13 & 1/14
Research and write 2 paragraphs related to your topic.
Do not write your opinion. It must contain researched facts.