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  • NGSS.MS.LS3.2 - Develop and use a model to describe why asexual reproduction results i...
  • NGSS.MS.LS3.2 - Develop and use a model to describe why asexual reproduction results i...
8.5 Genetics
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Why are living things different from one another? This unit on genetics starts out with students noticing and wondering about photos of two cattle, one of whom has significantly more muscle than the other. Students figure out how muscles typically develop as a result of environmental factors such as exercise and diet. Then, they work with cattle pedigrees, including data about chromosomes and proteins, to figure out genetic factors that influence the heavily muscled phenotype and explore selective breeding in cattle.

This unit is part of the OpenSciEd core instructional materials for middle school.

Subject:
Life Science
Material Type:
Lesson
Lesson Plan
Unit of Study
Author:
OpenSciEd
Date Added:
02/11/2022
Exploring Populations
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CC BY-NC-SA
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This Immersion Unit provides a coherent series of lessons designed to guide students in developing deep conceptual understanding that is aligned with the standards, key science concepts, and essential features of classroom inquiry (as defined by the National Science Education Standards).  Unit Overarching Concepts Populations of living organisms change or stay the same over time as a result of the interactions between the genetic variations that are expressed by the individuals in the populations and the environment in which the population lives. Science knowledge advances through inquiry. Unit Supporting Concepts Individual organisms with certain variations of traits (adaptations) are more likely than others to survive and reproduce successfully.When environmental conditions change it can affect the survival of both individual organisms and entire species. Natural selection determines the differential survival of groups of organisms. A small advantage in escaping a predator, resisting a drug, etc. can lead to the spread of a trait in a modest number of generations. Mutations are a source of variation in an individual’s genotype, and it can result in a change in phenotype––good or bad. Scientific progress is made by asking meaningful questions and conducting careful investigations, using appropriate tools and technology to perform tests, collect data, analyze relationships, and display data. No matter how well one scientific explanation fits observations, a new explanation might fit them just as well or better, or might fit a wider range of observations. In science, the testing, revising, and occasional discarding of explanations, new and old, never ends. This unit was developed through the large Math and Science Partnership project called System-wide Change for All Learners and Educators (SCALE), involving a collaboration among Los Angeles School District educators, California State University science and education faculty, and UW-Madison SCALE staff.

Subject:
Biology
Life Science
Mathematics
Material Type:
Activity/Lab
Lesson
Lesson Plan
Teaching/Learning Strategy
Unit of Study
Date Added:
05/25/2023
The Geniverse Lab Demo
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The Geniverse software is being developed as part of a five-year research project funded by the National Science Foundation. Still in its early stages, a Beta version of the software is currently being piloted in six schools throughout New England. We invite you to try the current Beta version, keeping in mind that you may encounter errors or pages that are not fully functional. If you encounter any problem, it may help to refresh or reload the web page.

Subject:
Genetics
Life Science
Material Type:
Activity/Lab
Data Set
Game
Interactive
Student Guide
Provider:
Concord Consortium
Provider Set:
Concord Consortium Collection
Author:
The Concord Consortium
Date Added:
12/11/2011
Heredity Mix n Match
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Educational Use
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Students randomly select jelly beans (or other candy) that represent genes for several human traits such as tongue-rolling ability and eye color. Then, working in pairs (preferably of mixed gender), students randomly choose new pairs of jelly beans from those corresponding to their own genotypes. The new pairs are placed on toothpicks to represent the chromosomes of the couple's offspring. Finally, students compare genotypes and phenotypes of parents and offspring for all the "couples" in the class. In particular, they look to see if there are cases where parents and offspring share the exact same genotype and/or phenotype, and consider how the results would differ if they repeated the simulation using more than four traits.

Subject:
Applied Science
Engineering
Genetics
Life Science
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Mary R. Hebrank
Date Added:
09/26/2008
Meiosis
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Meiosis is the process by which gametes (eggs and sperm) are made. Gametes have only one set of chromosomes. Therefore, meiosis involves a reduction in the amount of genetic material. Each gamete has only half the chromosomes of the original germ cell. Explore meiosis with a computer model of dragons. Run meiosis, inspect the chromosomes, then choose gametes to fertilize. Predict the results of the dragon offspring and try to make a dragon without legs. Learn why all siblings do not look alike.

Subject:
Genetics
Geoscience
Life Science
Mathematics
Physical Science
Material Type:
Activity/Lab
Data Set
Lecture Notes
Provider:
Concord Consortium
Provider Set:
Concord Consortium Collection
Author:
The Concord Consortium
Date Added:
01/13/2012
STC Genes and Molecular Machines, Four Families Phenomenon
Unrestricted Use
CC BY
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This resource is a phenomenon-based adaption to the Smithsonian's STCMS Genes and Molecular Machines kit. The anchoring phenomenon event features four families (apple, hydra, human and sea star). Students will investigate and explore the genetic causes of why some families look similar and others look different. Students will use models to explain their thinking throughout the intentional sequence of lessons.

Subject:
Biology
Genetics
Life Science
Material Type:
Activity/Lab
Assessment
Lesson Plan
Date Added:
06/18/2019
What Makes us Human?
Conditional Remix & Share Permitted
CC BY-NC
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In this problem-based, blended learning mondule, students will investigate what is the single - most defining trait that makes  us human? Is it our highly developed speech, our imagination, creativity, or our upright walking posture?  Humans have mastered fire, developed tools, art, music, recorded our history, and accomplished a countless number of other things. In this module, students will explore genetics concepts regarding inheritance, natural selection, biology of the human brain, and our hominid evolution over the last two hundred thousand years. Students will utilize guided research, and independent work to formulate an argumentative essay, and substantiating their claim with evidence from their research. When the argumentative essay is completed, students will create a project from a choice board that demonstrates their understanding of one of the concepts of our humanity.

Subject:
Environmental Science
Material Type:
Lesson Plan
Author:
Blended Learning Teacher Practice Network
Date Added:
07/27/2018
What's Dominant?
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Educational Use
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In a class discussion format, the teacher presents background information about basic human genetics. The number of chromosomes in both body cells and egg and sperm cells is covered, as well as the concept of dominant and recessive alleles. Students determine whether or not they possess the dominant allele for the tongue-rolling gene as an example.

Subject:
Applied Science
Engineering
Genetics
Life Science
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Mary R. Hebrank
Date Added:
09/18/2014