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QR Challenge: Punnett squares

Created using the ClassTools QR Treasure Hunt Generator

Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.


B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!


C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.


Questions / Answers (teacher reference)

Question

Answer

1. Is the genotype RR homozygous or heterozygous?Homozygous
2. Is the genotype ff homozygous or heterozygous?Homozygous
3. Is the genotype Gg homozygous or heterozygous?Heterozygous
4. If yellow (Y) is dominant over green (y), what is the phenotype for the genotype "YY"? yellow
5. If yellow (Y) is dominant over green (y), what is the phenotype for the genotype "Yy"? yellow
6. If yellow (Y) is dominant over green (y), what is the phenotype for the genotype "yy"? yellow
7. In pea plants, white flowers are dominant over purple flowers. If a homozygous dominant plant was crossed with a homozygous recessive plant for flower color, what percentage of their offspring would have purple flowers? Use your Punnett square on your paper to show your work. 100%
8. In pea plants, tall plants are dominant over short plants. If a heterozygous plant was crossed with a homozygous recessive plant. what percent of the offspring would have each phenotype? Use your Punnett square on your paper to show your work. 50% will be tall (Tt) and 50% will be short (tt)

 



Punnett squares: QR Challenge

https://www.classtools.net/QR/decode.php?text=Punnett squares
Q1/8:

Is the genotype RR homozygous or heterozygous?&choe=UTF-8

Question 1 (of 8)

 



Punnett squares: QR Challenge

https://www.classtools.net/QR/decode.php?text=Punnett squares
Q2/8:

Is the genotype ff homozygous or heterozygous?&choe=UTF-8

Question 2 (of 8)

 



Punnett squares: QR Challenge

https://www.classtools.net/QR/decode.php?text=Punnett squares
Q3/8:

Is the genotype Gg homozygous or heterozygous?&choe=UTF-8

Question 3 (of 8)

 



Punnett squares: QR Challenge

https://www.classtools.net/QR/decode.php?text=Punnett squares
Q4/8:

If yellow (Y) is dominant over green (y), what is the phenotype for the genotype "YY"? &choe=UTF-8

Question 4 (of 8)

 



Punnett squares: QR Challenge

https://www.classtools.net/QR/decode.php?text=Punnett squares
Q5/8:

If yellow (Y) is dominant over green (y), what is the phenotype for the genotype "Yy"? &choe=UTF-8

Question 5 (of 8)

 



Punnett squares: QR Challenge

https://www.classtools.net/QR/decode.php?text=Punnett squares
Q6/8:

If yellow (Y) is dominant over green (y), what is the phenotype for the genotype "yy"? &choe=UTF-8

Question 6 (of 8)

 



Punnett squares: QR Challenge

https://www.classtools.net/QR/decode.php?text=Punnett squares
Q7/8:

In pea plants, white flowers are dominant over purple flowers. If a homozygous dominant plant was crossed with a homozygous recessive plant for flower color, what percentage of their offspring would have purple flowers? Use your Punnett square on your paper to show your work. &choe=UTF-8

Question 7 (of 8)

 



Punnett squares: QR Challenge

https://www.classtools.net/QR/decode.php?text=Punnett squares
Q8/8:

In pea plants, tall plants are dominant over short plants. If a heterozygous plant was crossed with a homozygous recessive plant. what percent of the offspring would have each phenotype? Use your Punnett square on your paper to show your work. &choe=UTF-8

Question 8 (of 8)