Although no charge or fee is required for using TeachEngineering curricular materials in your classroom, the lessons and activities often require material supplies. The expendable cost is the estimated cost of supplies needed for each group of students involved in the activity. Most curricular materials in TeachEngineering are hierarchically organized; i. Some activities or lessons, however, were developed to stand alone, and hence, they might not conform to this strict hierarchy.
What Is Dna Fingerprinting
Related Curriculum shows how the document you are currently viewing fits into this hierarchy of curricular materials. Biomedical engineers who understand the science of genetics create tools, equipment and processes to accurately collect and examine DNA evidence for crime and paternity cases. These engineers also work with attorneys and in court systems to explain how DNA profiling works. Each TeachEngineering lesson or activity is correlated to one or more K science, technology, engineering or math STEM educational standards.
In the ASN, standards are hierarchically structured: first by source; e. Apply concepts of statistics and probability to explain the variation and distribution of expressed traits in a population.
Grades 9 - Do you agree with this alignment? Thanks for your feedback! Alignment agreement: Thanks for your feedback! View aligned curriculum. As a class, students work through an example showing how DNA provides the "recipe" for making human body proteins.
They see how the pattern of nucleotide bases adenine, thymine, guanine, cytosine forms the double helix ladder shape of DNA, and serves as the code for the steps required to make gene Students reinforce their knowledge that DNA is the genetic material for all living things by modeling it using toothpicks and gumdrops that represent the four biochemicals adenine, thiamine, guanine, and cytosine that pair with each other in a specific pattern, making a double helix.
Student teams Students learn about mutations to both DNA and chromosomes, and uncontrolled changes to the genetic code. They are introduced to small-scale mutations substitutions, deletions and insertions and large-scale mutations deletion duplications, inversions, insertions, translocations and nondisjunction In a class discussion format, students are presented with 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. A robbery takes place at a bank. As the thief escapes the building, a security guard grabs one of the bank robber's gloves.
The bank robber leaves the scene in a phone service van.Jump to navigation. Hundreds of teachers have brought engaging hands-on biotechnology activities to their classroom through professional development workshops, classroom visits and material and equipment loans. Due to budget cuts, materials cost is now associated with the activities. Download the price listhowever email Nadja to get the most current prices. To request Biotech resources please submit a resource request form here or email Nadja Anderson at nadja bio5.
High School Activities. How were antibiotics discovered? How is the effect of an antibiotic different for different species of bacteria?Champion shoes zumiez
This activity touches on the history of early antibiotics research as well as serves as an example of how observation leads to discovery. We have optimized a set of experiments to fit the high school classroom working with an antibiotic producing fungus and species of bacteria to emulate early observations of antibiotic effect on bacteria. Students normalize cultures of Penicillium fungi green bread mold as well as bacterial species Staphylococcus epidermidis, Microcuccus luteus, and Enterobacter aerogenes using spectrophotometry before co-culturing the fungus with the bacteria to witness the antibiotic effect.
Students then measure the results of co-cultivation by quantifying the optical density of the bacteria at the end of one week of experimentation. How do you purify DNA from cells?
This activity provides a first-hand understanding of how DNA can be isolated for further analysis, such as DNA fingerprinting. Students also reinforce their understanding of cell structure and biological macromolecules. We use a kiwifruit protocol because it uses commonplace materials and requires little equipment. What is electrophoresis? Students use agarose gel electrophoresis to determine the composition of different biological materials.
This activity helps students learn how molecules can be separated and identified by electrophoresis. How is DNA evidence prepared and analyzed in a crime case? Students perform agarose gel electrophoresis to analyze DNA samples from a mock crime scene. Based on DNA fingerprinting profiles that are simulated to represent the three suspects, and DNA from the crime scene, students determine which suspect likely committed the crime.
This activity helps students understand how DNA variation in individuals can be analyzed in practical applications such as genetic testing and forensics. This activity will allow students to evaluate two patients with possible neurological symptoms. Students will come up with possible diagnosis and determine how to test for these diagnoses. A patient and his wife come in to see you with a concern. The patient has a history of sickle cell disease in his family, but neither of his parents have exhibited any symptoms.
The wife is an immigrant from rural tropical Africa and has no idea if her family has any history of sickle cell disease. However the area she is from has a high incidence of sickle cell anemia in the population.Issues in Genomics Lesson Plan.
Issues in Biotechnology Lesson Plan. Genetic Ethics Questions Lesson Plan. Discover How. Experiment Students will extract and compare DNA from both bananas and strawberries.
A: Inheritance of Traits.
Lesson Plan. Writing Articles in human genomics including: applications of genomic mapping, ethics in genomics, genetic information and privacy, genetic manipulation, understanding genomes, and more.
Great for students to research a topic and present it to the class. Research Articles in biotechnology including: agricultural biotechnology, cloning, genetically modified organisms, medical biotechnology, technology and ethics, and more.
NGSS Standard. Worksheet Students will examine crime scene evidence to determine who is responsible for eating the Queen's special imported Lindbergher Cheese.
Students will model the process of electrophoresis and DNA fingerprinting. Worksheet Students answer multiple choice questions on science ethics relating to genetics cloning, gene therapy. The class then discusses the pros and cons of each of the questions.Teachers Pay Teachers is an online marketplace where teachers buy and sell original educational materials.
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For All Subject Areas. See All Resource Types. DNA Fingerprint Activity. Students will go through a virtual electrophoresis and analyze gels with samples taken from a crime scene. This is only one section of a larger unit and does not include the entire crime scene investigation.
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Add to cart. Wish List. This sheet was created to accompany a Nova DNA fingerprinting simulation.See more testimonials Submit your own. Get 10 Days Free. Showing 1 - of resources. Lesson Planet. For Teachers 6th - 8th Standards.
Biotechnology Lesson Plans
Human fingerprint patterns are the result of layers of skin growing at different paces, thus causing the layers to pull on each other forming ridges. Here, groups of learners see how patterns and fingerprints assist scientists in a Get Free Access See Review.
For Teachers 9th - 12th. Show your class why restrictions aren't always a bad thing. In the third segment of a four-part series, the instructor develops the idea of restriction enzymes. For Teachers 4th - 8th Standards.
No two people are exactly alike, and nothing proves that fact more than our fingerprints. Offering a series of fun educational activities, the second lesson plan in this series engages children in solving the mystery of who took the Students study DNA fingerprinting and how it is used in criminal investigations.
What Is Dna Fingerprinting
For Teachers 3rd - 6th. Students put their fingerprints on ink and then on a paper and observe and discus what they see in their prints. In this fingerprints lesson plan, students see that no 2 fingerprints are alike. For Teachers 9th - Higher Ed. Learners explore the history of fingerprinting and DNA identification.Oppo r9s plus flash file
In groups, students are assigned topics to research such as the history of fingerprinting, the problems of fingerprinting, the development of DNA and the problems Students explore DNA fingerprinting. Students discover how DNA fingerprinting is done and judge the validity. They evaluate the use of certain prints in courts and address the ethics of establishing a national database of fingerprpints. For Teachers 10th - 12th. Young scholars create numbered DNA sequences by taping together the order of the sequence.In this activity, students will examine the epidermal ridge patterns of their fingers using a microscope.
They will identify if they have loops, arches or whorls, construct a graph of their class data, and analyze the class data.
They will also learn how random events that occur during embryological development can influence their phenotype as adults. Friction ridges are raised portions of epidermis outer layer of skin cells found on the fingers, toes, palms and soles. It is thought that these ridges help in gripping and in providing a finer sense of touch.
They do this at least in part by amplifying vibrations caused when fingers rub against an uneven surface. Ridge patterns are not a purely heritable trait. Identical twins, who have identical DNAdo not have identical fingerprints, though they are often very similar. Some phenotypes, like human blood type e. Other phenotypes have less heritability. Ridge patterns are believed to result from a combination of these three factors, with random developmental events playing a significant role.
Of the three influences on phenotype, random developmental events are probably the most challenging to explain to students. As a multicellular organism grows and develops, cells divide mitotically to produce clones. However, as cells migrate during development, they may be exposed to slightly different environmental influences, causing their phenotype at maturity to differ from their sister cells, even when they have identical DNA.
Many students will already be familiar with the concept of cellular migration, having heard that the surface layer of their epidermis is continually sloughed off and replaced by fresh cells that have migrated toward the surface of the skin from lower layers see diagram below.Piano contact mic
Early in embryological development weeks after fertilizationthe embryonic skin is made up of a single layer of ectoderm cells above a layer of mesenchyme tissue.
As the ectoderm cells divide, they form layers, with new cells migrating from the ectoderm to these various layers. By the eighth week of development, the epidermis is three to four cell layers thick. At around 6. The volar pads, which derive from the mesenchyme tissue and appear like bumps on the palm, influence the ridge patterns that will start to develop at around 10 weeks post-fertilization. After around 24 weeks, the fetus has the same epidermal ridge patterns it will possess for the rest of its life.
Some of the random developmental events that are believed to influence how the ridges form include differential stresses or pressures on various parts of the skin; differential shapes of the volar pads prior to ridge formation; differential timing of ridge formation e.
Heritability is a measure of how much of the variability of a trait within a given population is thought to be due to genetic influences i. As such, the concept can be instructive in conveying the idea that DNA is not destiny.
For example, two tall parents could have a short child either because they were both heterozygous for height or because their child did not get sufficient calcium or protein in its diet. Determining heritability can be challenging, particularly for behavioral phenotypes or for traits in which no specific genes have been identified.
Determining the heritability of intelligence, for example, is problematic not only because there are no known genes or DNA sequences for intelligence that can be measured, but also because it is not entirely clear what intelligence is or how it should be measured.Crime Scene Investigation.
Serial Killer Project. Hair and Fibers. Due May 22, Questioned Documents. Forensic Anthropology. Skip to main content. Side panel.
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