Congruency Table Level: Intermediate Grade Level: Eighth NYS Learning Standard: MST Standard Area: Science Standard: Standard 4- Science (The Living Environment) Students will understand and apply scientific concept, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science. Key Idea: 2-Organisms inherit genetic information in a variety of ways that result I continuity of structure and function between parents and offspring. Performance Indicator: 2.2 Describe simple mechanisms related to the inheritance of some physical traits in offspring. Major Understanding Instructional Task Learning Objectives Student Work Assessment Tool 2.2c The probability of traits being expressed can be determined using models of genetic inheritance. Some models of prediction are pedigree charts and Punnett squares. Students will use Punnett squares to analyze traits in their families. The Punnett squares will help them make pedigrees of their families. The students will be drawing these by hand, individually, based on the teacher exemplar. This will show how the traits were inherited and passed down from generation to generation. The student will be able to create Punnett squares to analyze family traits. The student will be able to construct a pedigree of their family which will represent genetic inheritance of traits over the generations. Students will create Punnett squares to find their possible gene combination of traits. Students will draw pedigrees to show which family members possess certain traits based on a list of traits previously given to them. Students will title their work what they choose, as long as it pertains to the topic ex: “My Family Traits”, “A Look at the Ferland Family” A 4 Point Pedigree Rubric will be used to score the students work and make sure they traced the traits accurately through the generations, as well as set up the pedigree correctly. -3 generations are included -1 trait per generation is indicated on each person in the pedigree -the list of their traits is included -Punnett squares are included to show the crosses. -mapped correctly -title and labels
Resources Resources: Cells, Heredity, and Classification Text Book by Holt, Rinehart and Winston Punnett Square Sheet from “Focus on Science” “How Organisms Get Their Traits” (unknown source)- Pre/Post Test NOTES AND HANDOUTS CAN BE FOUND IN THE APPENDIX (pg 18-19) Supplies: List of traits Punnett Square sheets Plain white paper Colored pencils and rulers Teacher Exemplar and Overhead examples Overhead notes Technology: Overhead projector is used to show examples Teacher Exemplar: The teacher exemplar includes a list of traits created according to the teacher’s traits, Punnett Square crosses, and a family pedigree. Theses can all be shown to the students since their families and traits will be different from that of the teachers, so they will not be able to copy any piece directly. The exemplar can be found on pg __ in the Appendix. Modification Table The modification table is strictly used to keep the students on task and following classroom rules and procedures. There were no specific modifications for special needs students because I did not have in my classes. Modification Type: Specific Modification Rationale Benefits Environmental/ Management Assigned Seating is kept in effect. Constantly circulating around the room. This is an independent assignment so the students do not need to switch seats and sit with their friends. Teacher is able to check to make sure students stay on task and can answer any questions that arise. Helps the students stay on task and minimize side conversations. Allows for less mistakes and less disruptions by students shouting out to the teacher.
Instructional Split the project up into three sections. Directions are only repeated twice. Modeling the task. Students complete one task at a time with a specific set of instructions. At this age, students must pay attention and listen while the teacher is speaking. The teacher will model the task so the students can visually see what they should be doing. Students are not overwhelmed and will have sufficient amount of time for each section. Students listen and are able to get right to work, no wasted time. This allows the students to understand what needs to be done in order to receive a perfect score. Also creates less confusion. Material Visual Models Step by step instructions. Students will be provided with visual models for each part of the project. Students are given instructions at the beginning of each section that will help in the completion of the project. The students have a guide for each task so they can see what is expected of them. Those who are auditory learners will hear the instructions on what they are supposed to be doing. Tasks Set time limits. Students have a specific amount of time to complete each section of the project. When students have a time limit they should stay on task and work to complete the assignment.
Draw and color your family pedigree. Requirements 3 Generations Color coded key 3 traits used (1 per generation) Family members are all named and colored Pedigree is titled Neat and error free Name in the lower left corner on the front Name, group, and date on the back Pedigree Four Point Rubric Attribute Level 4 Level 3 Level 2 Level 1 Heading Weight: 0.5 (Out of 2 points) Total________ -Pedigree is drawn on plain white computer paper. -On the back of the paper the student includes the following: *Name *Group *Date -Name is also on the front in the bottom left corner. -Pedigree is drawn on plain white computer paper. -On the back of the paper the student includes all but one of the following: *Name *Group *Date -Name is also on the front in the bottom left corner. -Pedigree may or may not be drawn on plain white computer paper. -On the back of the paper the student includes all but two of the following: *Name *Group *Date -Name is also on the front. -Pedigree may or may not be drawn on plain white computer paper. -On the back of the paper the student includes none of the following: *Name *Group *Date -No name on the front.
Punnett Squares Weight: 5 (Out of 20 points) Total__________ -The student has included Punnett squares and performed the crosses of each trait from the given trait list for himself/herself. -The student has included Punnett squares and performed some of the crosses of each trait from the given trait list for himself/herself. -The student has included Punnett squares and performed some of the crosses incorrectly of each trait from the given trait list for himself/herself. -The student did not include Punnett squares. Mechanics Weight: 0.5 (Out of 2 points) Total__________ -There are no spelling errors. -Pedigree is given a title. -Drawn and colored neatly. -The pedigree is easy to follow and well organized. -There are a few spelling errors. -Pedigree is given a title. -Drawn and colored neatly. -The pedigree is easy to follow and well organized. - Increase in spelling errors. -Pedigree may not have a title. -Drawn and colored, may not be neat. -Somewhat easy to follow. -Numerous spelling errors. -Pedigree may not have a title. -Pedigree is may not be colored. -May not be easy to read and follow. Comments: Teacher Exemplar