MS-LS4-6: Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.
1. Students will describe how alleles are inherited from an organisms parents by completing the genetics cornell notes with a 3 or better, and by passing a post-quiz with a 3 (75%) or better.
1. Do Now: Natural Selection & Genetics Pre-Quiz
Independent
1. Complete the following Punnet Square Cornell Notes from the THIS VIDEO
Vocab:
Allele
Segregation
Dominant
Recessive
F1 generation
Homozygous
Heterozygous
Genotype
Phenotype
Punnet Square
Questions
1. Why did Gregor Mendel use pea plants to study genetics?
2. Why was "blending" an incorrect assumption for how genetics worked?
3. Use the punnet square in the video to figure out the genotypes and phenotypes of a cross from Pp and Pp.
4. How many flowers in the PpxPp cross will be purple? How many will be white?
5. Use a Punnet square to find out the genotypes AND phenotypes of a PPxPp cross.
6. What is Mendel's law of segregation?
7. What is Mendel's law of independent assortment?
Key:
Round (R) is dominant to wrinkled (r). Yellow (Y) is dominant to green (y).
8. Classify the following as homozygous or heterozygous
a) Rr
b) RR
c) Yy
d) YyRR
9. What is the probability of Rr x Rr to produce wrinkled seeds?
10. What is the probability of Yy x yy to produce green seeds?
11. How is Huntington's disease passed on? Is it dominant or recessive?
12. Explain how a pedigree can illustrate inheritance, using the example from the video.
Summary: Today I learned.... (you may use bullet points, sentences, or drawings)
2. Why was "blending" an incorrect assumption for how genetics worked?
3. Use the punnet square in the video to figure out the genotypes and phenotypes of a cross from Pp and Pp.
4. How many flowers in the PpxPp cross will be purple? How many will be white?
5. Use a Punnet square to find out the genotypes AND phenotypes of a PPxPp cross.
6. What is Mendel's law of segregation?
7. What is Mendel's law of independent assortment?
Key:
Round (R) is dominant to wrinkled (r). Yellow (Y) is dominant to green (y).
8. Classify the following as homozygous or heterozygous
a) Rr
b) RR
c) Yy
d) YyRR
9. What is the probability of Rr x Rr to produce wrinkled seeds?
10. What is the probability of Yy x yy to produce green seeds?
11. How is Huntington's disease passed on? Is it dominant or recessive?
12. Explain how a pedigree can illustrate inheritance, using the example from the video.
Summary: Today I learned.... (you may use bullet points, sentences, or drawings)
Cornell Notes Criteria for success:
- Notes are set up in Cornell Note format
- All vocabulary is defined in student friendly language (not copied from google)
- 10 or more of the questions are answered fully AND correctly, using information and examples from the video
- A summary of what was learned is at the bottom, using 2-3 complete sentences.
4= All success criteria is met
3= 3/4 success criteria is met
2= 2/4 success criteria is met
NP = none of the success criteria is met
3. When you are finished, you may:
. Watch THIS PLANET EARTH 2 Episode about Jungles, and try to spot the different adaptive traits that you see
4. YOU MAY ALSO:
-watch THIS DOCUMENTARY about human evolution
- watch THIS DOCUMENTARY about how the theory of evolution has changed through time to become more accurate.
- Play the first level of the evolution game
- Play the fossil sorting game
-watch THIS DOCUMENTARY about human evolution
- watch THIS DOCUMENTARY about how the theory of evolution has changed through time to become more accurate.
- Play the first level of the evolution game
- Play the fossil sorting game
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