1. 12/16 & 12/ th Grade Agenda
Learning Objective: Learn about Meiosis
Collect HW: Reading & Notetaking p.91– 92
Pass back Graded HW & Test & Grade Printout
Stereo Microscope Lab
Video: Science in Action: Genetics.
Textbook Reading p. 170 – 174
HW: Reading & Note taking 94 – 95
HW: Science Fair Background due 1/13 & 1/14 (10 Points)

2. Reflection
Prompt: Write 2 differences between Mitosis and Mieosis.

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

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

5. 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

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

7. Meiosis
Meiosis I
Meiosis II

8. Protein Synthesis osome
Cells use information from a gene on a chrom_________ to produce a specific protein.
osome

9. RNA
Before protein synthesis can take place a “messe____” carry the genetic code from the DNA inside the nucleus into the cytoplasm.
This genetic messenger is called ribonucleic acid or RNA
nger

10. RNA

11. DNA vs RNA DNA RNA Copy One Strand Leaves the nucleus Master Copy
Two Strands
Never leave nucleus
Copy
One Strand
Leaves the nucleus

12. Step 1 in Protein Synthesis
Messenger RNA Production

13. Step 2 in Protein Synthesis
Messenger RNA attaches to a Ribosome

14. Step 3 in Protein Synthesis
Transfer RNA attaches to a Messenger RNA

15. Step 4 in Protein Synthesis
Protein Grows

16. 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.

17. Reflection
Prompt: Draw and write descriptions of 3 items that you observed through the Stereo Microscope (Please write on the back of the paper).