1. Activity 60 Mendel, First Geneticist
Reading,
Learning Target
I will understand who
Gregor Mendel was and
how he discovered the basis of heredity by breeding pea plants.

2. Activity 60 Mendel, First Geneticist Reading,
Today’s Agenda /24/15
Getting Ready:
Activity 60 tab for your notebook
Title Activity 60 Mendel, First Geneticist in SNB
Open to Activity 60 in the Student text
Read Introduction and Challenge Question, page D-4
Write learning target(s) in note book
Read Materials list and gather supplies, page D-5
Prepare lab notebook
Read through Procedures, page D-5 to D-7
Answer Analysis questions 1-4 in note book, pages D-7 to D-8
Complete data tables and graphs.

3. CHAMP: Reading Conversation – Help – Activity – Movement –
Yes if the student has a question about work assigned. They may ask students sitting next to them, but the conversation should be brief, then back to work.
Conversation –
When can students talk during an activity?
Help –
How are students’ questions answered during an activity?
Raise their hand. Keep hand raised, wait quietly, or prop up “Please Help” sign and wait quietly.
Activity –
What is the activity?
Working on assignment. Helping another student with the assignment.
Movement –
Under what circumstances can students move during an activity?
Yes, to get pencil, sharpen pencil, if needed for note taking during reading.
Looking at textbook when reading.
Writing or doing what task requires. Silently reading, talking only under the above circumstance.
Participation –
What does appropriate behavior look/sound like?

4. Activity 60 Mendel, First Geneticist
Reading,
Who was Gregor Mendel, and how did he discover the basis of heredity by breeding pea plants?
CHALLENGE

5. Activity 60 Mendel, First Geneticist
Reading,
Stopping to Think 1
What personal qualities do you think Mendel must have had that helped him in his work?
Stopping to Think 2
What were the advantages for Mendel in using pea plants for his breeding investigations?
Why did Mendel perform so many crosses for the same characteristics?

6. Activity 60 Mendel, First Geneticist
Reading,
Stopping to Think 3
Explain how the model in “Creature Features” works exactly like Mendel’s explanation for his results with pea plants.
Vocabulary:
Recessive –
Alleles –

7. Activity 60 Mendel, First Geneticist
Reading,
Reflection questions:
1. Based on Mendel’s results, what trait for each pea characteristic is dominant?
Flower color – seed surface –
Seed color – pod color –

8. Activity 60 Mendel, First Geneticist
Reading,
2. Fill in the bottom row with the ratio of dominant to recessive for each characteristic. Round each ratio to the nearest hundredths place.
Ratio: ____________ ___________ ___________ ____________

9. Activity 60 Mendel, First Geneticist
Reading,
3. Why are the ratios not exactly 3:1?
Ratio: ____________ ___________ ___________ ____________

10. Activity 60 Mendel, First Geneticist
Reading,
Look at Figure 1 .
Explain why a 1:3 ratio of yellow-seeded plants to green-seeded plants is the same as a fraction
of ¼.

11. Activity 60 Mendel, First Geneticist
Reading,

12. Activity 60 Mendel, First Geneticist
Reading,

13. Activity 60 Mendel, First Geneticist
Reading,

14. Activity 60 Mendel, First Geneticist
Reading,
Did you hit the Learning Target?