Natural Selection On Genotype And Phenotype Frequencies "What'S Bugging You" Research Lesson 7-S3 Plan Template - Holland Middle School, 2012 Page 2
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1
2Students in this area will be treated like the
Students will need more attention during the
EL students while having more teacher
lab activity. Students will need probing
focused attention when they are performing
questions during the lab to move them in the
the activity. The instructor will need to
right directions. Reading the procedure with
At-Risk/Below
monitor the progress of these students in the
the students and asking questions on the
Grade Level
step after generation #1 is found. Students
next step will become valuable so students
tend to no understand they need to record
will be responsible for their own next steps.
their data and remove the parents from the
12 offspring for the next generation.
The needs will be stated in the student’s
Click here to enter text.
504
504 Plan within a student’s cumulative
(If Applicable)
record.
Schedule:
Objectives:
Introduction
Rationale
Students will be introduced to the key idea of
Students will need time recall prior
natural selection and the vocabulary of
knowledge about Mendelian Genetics.
5 mins.
phenotype and genotype.
Direct Instruction
Rationale
Instructor will have the students lead the
The activity will be a summative activity
activity by themselves. The instructor in low
where students already had time and
performing classes will need to read out the
experience in manipulating punnett square
procedure of the lab with the students. But,
data. Student may need assistance in the
5 - 10mins.
have the students discover what each step
setup of the generation “0” on the green
means in the lab. It is key to make the
fabric. Remind students that they need to
students struggle in understanding the
“eat” the color chip they can see first then
meaning of each direction in the lab.
any chip after that.
Guided Practice/Checking for Understanding
Rationale
The activity is designed to let the students
Students might need assistance in setting
lead themselves throughout the entire activity
up how the data in placed into the data
with minimal assistance. The instructor(s) will
table. Remind students that the parents will
30-40 mins.
need to check if students recorded the
not be added to the next generation.
correct offspring information while crossing
the parents and only using the offspring in
the next generation data pool.
Independent Practice
Rationale
Students will be completing the lab activity by
The generation 2 – 4 will be the same
themselves with little or no assistance by the
process as generation 1.
10-15 mins.
instructor.
Closure
Rationale
Students will be cleaning up the activity
Students should have enough time to run
while, answering the key question what
each process at least 3 times. Make sure that
happens to a genotype of a generation when
all students record their data. You want to
evolutionary process affects the phenotype.
make sure to ask students that they can
10 mins.
Ask students to use the data they have
confirm their reason based back to natural
collected about natural selection and
selection and allele frequencies.
phenotypes and predict what will happen to
the last generation if the background went
from green to brown?
7-S3: 7/7/2012 tl
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