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I can… How is it determined what chromosomes a parent passes to their offspring?

Opening Activity: June 4, 2018 Have your idea journal for “Alleles and Chromosomes” available to stamp. Review the lab materials at your table. (Lab #20 procedure and baggie of proteins). Review your work from Thursday:

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I can… How is it determined what chromosomes a parent passes to their offspring?

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  1. Opening Activity: June 4, 2018 • Have your idea journal for “Alleles and Chromosomes” available to stamp. • Review the lab materials at your table. (Lab #20 procedure and baggie of proteins). Review your work from Thursday: • What is the difference between a functional and non-functional hemoglobin molecule. • How might each protein above respond to water? I can… How is it determined what chromosomes a parent passes to their offspring? Homework: Retake Test Corrections due June 5th. Test Retake 6/7, 6/8 & 6/12 @ 8am. Inheritance Quiz Monday June 11th

  2. Today’s Goals • Complete Lab #20 – draw out cells for all protein combinations. STAMP! • Work on Idea Journal for “Protein Folding for Sickle Cell”. • Making Sex Cells: Card Sort & Questions • Pick up materials at front table. • Sort the cards from a cell before cell division to the end of cell division. • Draw picture of each cell in space provided.

  3. Opening Activity: June 5, 2018 • If you completed a test retake ticket - Turn into the basket and sign up for a test retake time. • Have your Idea Journal for “Protein Folding” complete and ready for a stamp. • There were a few people gone for Lab #20. In 1-2 sentences, what was the gist of the lab. What should you walk away knowing? • Pick up Two handouts at front table – tape in. I can… explain how chromosomes are passed to their offspring Homework: Retake Test Corrections due June 5th. Test Retake 6/7, 6/8 & 6/12 @ 8am. Inheritance Quiz Monday June 11th

  4. Making Sex Cells: • Card Sort & Questions • Pick up materials at front table. • Sort the cards from a cell before cell division to the end of cell division. • Draw picture of each cell in space provided.

  5. Meiosis Card Sort Questions • Label where crossing over happens. • Label where independent assortment happens. • There are 2 small and 2 large chromosomes in each cell in image 1 and image 7. But they are not the same! Describe the differences. • How does the number of chromosomes compare in cell 1 and cell 11? • There are 4 cells in image 11. What is similar about all 4 cells? What is different? • What do the 4 cells in image 11 become if this happened in a female? In a male?

  6. Opening Activity: June 6, 2018 • Sorry I am not here today, but you will continue the work on your Chirwibble! Can you figure out how the chirwibble’s traits get passed down to their offspring? • Find your chirwilbble work and draw your chirwilbble on step 1. • Find your chromosomes, whiteboard and pens/erasers so you are ready to start. You will only need TWO sets of chromosomes at your table. Put any extra chromosomes in the bin at the front table. I can…predict the traits of offspring Homework: Test Retake 6/7, 6/8 & 6/12 @ 8am. Inheritance Quiz Monday June 11th

  7. Today’s Goals • Use the paper models to see HOW the gametes all end up different (steps 2-5). • Work with a partner. Each table needs to do this twice: once for the mother, once for the father. (half of you will keep track of Mom’s gametes and half you will keep track of Dad’s gametes). • FOLLOW INSTRUCTIONS!!! There are a lot of steps, so you need to read carefully. Have one person in each partnership be responsible for reading the instructions out loud. • Yes on step 3 you will do some cutting and taping as you model “Crossing Over”. • Work on Fertilization and Analysis Questions.

  8. Opening Activity: June 7, 2018 • If you did not finish Lab 21 yesterday, please continue working now and I will stamp! If you have questions please ask! • If you are done: • Find your initial idea (family tree) and determine what genotype each individual would have. • Pick up a your class questions at front table. Which questions can you now answer? I can… How can we predict the traits of offspring? Homework: Read Intro for Lab #23 & Prediction Test Retake 6/8 & 6/12 @ 8am. Inheritance Quiz Monday June 11th

  9. What can you add to the model? ? ? ?

  10. How are genes passed through the generations? ? ? ?

  11. Idea Journal

  12. So how do we pass on only half our alleles? • Quick recap of meiosis • Lab #22 Predicting Traits

  13. Lab #22 Predicting Traits – Use egg and sperm charts to determine possible genotypes and phenotypes of offspring. 1. Fill out the table in Part 1 of the worksheet Which finger on top?

  14. Look at the cherwibbles! • Focus on the COLOR – what do you notice? • Is it random? Or can we predict the probability a cherwibble will be green or yellow?

  15. Parent Genotype and Phenotype • Genotype: Gg • Phenotype: Green g G

  16. Possible Offspring Genotype and Phenotype • Genotype: gg • Phenotype: Yellow g g

  17. Determining offspring genotypes • Remember from meiosis – half the gametes get one allele, half the gametes get the other So, half get G and half get g g G g g G G

  18. Possible Combinations Mother (Gg) Father (Gg) g g g g g G g G G G G G g g g g G G G G

  19. Possible Combinations Mother (Gg) Father (Gg) GG = green g g g g g G g G G G G G Gg = green Gg = green gg = yellow = non-functional

  20. Egg and sperm charts organize all possible offspring combinations Mother (Rr) Father (Rr) x g g G G g G Gg G GG g r R G g gg Gg

  21. Egg and sperm charts predict probability of all genotypes and phenotypes produced Genotype probabilities 25% GG 50% Gg 25% gg Phenotype probabilities 75% green 25% yellow

  22. What about fur? sperm Mother (Ff) Father (Ff) f F x Ff F FF eggs f f f ff Ff F F

  23. What about this one? sperm Mother (FF) Father (ff) f f x Ff F Ff eggs F f F Ff Ff f F

  24. What about this one? sperm Mother (Ff) Father (ff) f f x Ff F Ff eggs f f f ff ff f F

  25. Now your turn!

  26. HOMEWORK: Prepare for Lab #23 • Read through background information • Make predictions

  27. Lab #23Review the graphs – any relationships to take note?

  28. Opening Activity: June 8, 2018 • Have Lab #23 predictions ready for stamp. • Pick up Inheritance unit checklist • Question for you. What would be most helpful for you and your learning today: • Do lab #23 - learn about Sickle alleles in populations. • Review the ideas of lab #23 as a group and spend the day working on idea journal, questions and initial ideas. WRITE YOUR ANSWER (A or B) on ¼ sheet of paper from front table and put into the bin at front table. I can…Explain why the sickle cell disease is still in the population. Homework: Test Retake 6/8 & 6/12 @ 8am. Inheritance Quiz Monday June 11th

  29. Lab #23Review the graphs – any relationships to take note?

  30. Number of A and S alleles surviving to the next generation

  31. Pd 4 Number of A and S alleles surviving to the next generation

  32. Questions • List the trends for the following: • HbS allele and high malaria • HbA allele in high malaria • HbS allele and low malaria • HbA allele in low malaria • Compare the data from the two tables – any similarities/differences. • Why does the US have a lower HbS allele than Africa?

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