Selective breeding is the process by which humans control the breeding of organisms in order to exhibit or eliminate a particular characteristic. Know selective breeding involves choosing two organisms of the same species and mating them with the hope of getting the best qualities of each parent to show up in the offspring. The worksheet also reinforces other biological concepts including genetic and environmental causes of variation, mutations and natural selection. As students read text they use marking the text and writing in the margins as reading strategies. Parent organisms are bred by people to produce the desired traits in the next generation domestic animals are commonly bred for various traits. A dog with long legs and is fast, would be breed with a dog that is strong and muscular. Selective breeding scientists pick out the best traits in organisms to create the species they prefer. If the statement is false, change the underlined word or words to make the statement true.
Selective breeding or artificial breeding is the process of breeding animals with desired characteristics. This technique has long been established in experimental medical research with first reports of selective breeding lines published early in the last century tryon, 1930. In from wolf to dog, students learn through an evolution card game how selective pressures can affect an organisms evolution. Michaela explains how artificial selection is also used in vegetables, showing how broccoli. Improve your students reading comprehension with readworks. Scientists can typically distinguish cells that have been successfully transfected with a plasmid from those that have not by a. Humans have selectively bred plants and animals for thousands of years including. Advances by selective breeding for aquatic species.
Selective breeding uses artificial selection to direct the genetic transfer of desirable traits. The interpreting the graph and discussion questions sections provide additional information and suggested questions that you can. In the late 1940s, high and low preferring lines of rats were bred to drink alcohol solutions in preference to water at the university of chile. Selective breeding and food chains worksheets the selective breeding of farm animals worksheet explains the basic process using chickens as an example. The advantage of progeny testing is that it is possible to get high selection accuracy for economically important traits. In this genetics research project, students will act as employees of selective breeding and hybridization inc, and are required to create an ad campaign for a new line of hybridized organisms. The worksheet discusses the basic principles of selective breeding while raising ethical issues relating to the use of science and technology. Some of the worksheets for this concept are selective breeding of farm animals food chains and farm, selective breeding, answers to prentice hall algebra 2 teaching resources, genetic engineering and selective breeding, prentice hall grammar work answers grade 9, artificial selection. Reading comprehension passages with answer key pdf readworks answer key to readworks org. Worksheets and lesson ideas to challenge students aged 11 to 16 to think hard about selective breeding gcse and key stage 3 selective breeding can be an excellent way for students to develop their understanding of evolution as artificial selection selective breeding teaching resources read more.
Either add written comments to the discussion section on the website or use the discussion question as a prompt for an inclass discussion. Selective breeding an overview sciencedirect topics. As you can see, selective breeding comes with both benefits and drawbacks. Peafowl facts displaying top 7 worksheets found for this concept some of the worksheets for this concept are pretty as a peacock, kindergarten, animal adaptations, dewalt d28494 grinder manual pdf, selective breeding of farm animals chickens, bonobos and their habitat, teacher workbooks. Peafowl facts displaying top 7 worksheets found for this concept some of the worksheets for this concept are pretty as a peacock, kindergarten, animal adaptations, dewalt d28494 grinder manual pdf, selective breeding of farm animals chickens, bonobos and. Selective breeding worksheets printable worksheets. Displaying all worksheets related to selective breeding. Students discover different types of eating and breeding behavior for example, egg stealing. Selective breeding usually involves breeding two members of a species with the dominant allele if the desired characteristic. Selective breeding involves choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics. In midtwentieth century britain, artificial insemination was put forward by eugenicist herbert brewer as a rational and efficient means of selective breeding. What changes in genetic traits have occurred due to selective breeding.
Individual selection is practiced in all species for traits which can be recorded on breeding candidates, and progeny testing of males is often used. Some of the worksheets displayed are selective breeding of farm animals food chains and farm, lesson life science genetics selective breeding, reading, genetic engineering and selective breeding, for thousands of years weve produced new varieties of, pros, table of contents, selective breeding. Genetic engineering involves identifying certain genes and moving them from one organism to another even to a different species or removing the gene entirely. Explain why humans selectively breed plants and animals. Pupils select xmen that would produce offspring capable of defeating magnetos challe.
Displaying all worksheets related to slective breeding. Humans use selective breeding to produce animals with certain desired traits. Essential educations 2014 ged test curriculum blueprint pdf. Selectively breeding sheep national agriculture in the classroom. Educator materials selective breeding in maize how to use this resource show the figure below to your students along with the caption and background information. Access thousands of highquality, free k12 articles, and create online assignments with them for your students. Pcr utilizes a heat stable dna polymerase, taq polymerase, named after the thermophilic bacterium thermus aquaticus, from which it was originally isolated. Emphasis is placed on the following vocabulary terms. The food chains and farm animals worksheet discusses.
Selective breeding comes with both benefits and drawbacks. Biotechnology worksheets comprehension science 7th and 8th. Seventh grade lesson human impact of selective breeding. Selectively breeding sheep student handout, 1 per person teacher key located on last 3 pages. G enetics vocabulary unit challenge slides and readings. Pupils develop their knowledge of selective breeding by using xmen. The natural selection station lab is a plug and play unit that is meant to accompany my free kesler science. Selective breeding is the process of breeding plants and animals for particular genetic traits.
Artificial selection or selective breeding is the one of the oldest and most powerful methods in behavioral genetics. Selective breeding teaching resources the science teacher. You mate two sheep that are carriers for sls, which means both the ram and the ewe have. Explain the benefits and risks of selective breeding in plants and animals. Think of all the joy that dogs have offered humans in the form of companionship over the last 100 years. The aim of this resource is to provide a complete revision guide for the key stage 3 science programme of study in a format which is suited to pupils of lower abilities.
Name class date selective breeding for questions 15, write true if the statement is true. Selective breeding can also bring about bad or undesirable traits some breeds of dogs are selectively bred for their aggressiveness, however, this sometimes produces dogs are too aggressive an cannot be controlled. I usually show a photo of my very blond daughter during class discussion as an example of the hit and miss nature of selective. Study your student understandings sheet green essential questions. Selective breeding notes flipped out science with mrs. What changes in genetic traits have occurred due to natural selection. Selective breeding worksheet compassion in world farming. A dog breeder explains selective breeding, looking at puppies that have useful and less useful traits. Selective breeding and hybrid project genetics hybridization sales campaign. I use these reading strategies to ensure that students. There are ninety worksheets covering every national curriculum statement of attainment at ks3. Measures against genetic disease will always be associated with eugenics.
Worksheets are selective breeding of farm animals food chains and farm, lesson life science genetics selective breeding, selective breeding, genetic engineering and selective breeding, reading, farm animals us, pros, understanding genetics punnett squares. Lesson for inheritance, variation and evolution chapter in new aqa biology gcse. Here you will find all we have for selective breeding worksheet. Describe the process of selective breeding and give examples. Explain an example of selective breeding, eg wheat plants have been selectively bred for yield, protein content, resistance to disease, flavour, to be. Students gain the understanding that selective breeding is used to create animals and plants with the characteristics that humans desire. Showing top 8 worksheets in the category selective breeding.
If the statement is false, change the underlined word or. This way at least some of the puppies will be fast and strong. In this section of lesson students complete a reading titled selective breeding from readworks. Selective breeding worksheet worksheet fun and printable. Worksheets are selective breeding of farm animals food chains and farm, lesson life science genetics selective breeding, reading, genetic engineering and selective breeding, for thousands of years weve produced new varieties of, pros, table of contents, selective breeding. Selective breeding is the dominant breeding method in farm animals.
Classroom activity for the nova program dogs and more dogs. Nov 19, 2014 measures against genetic disease will always be associated with eugenics. A breeder will track the characteristics of the litter and. Ks3 science revision worksheets special edition isbn 0 9537409 3 5 introduction. I usually show a photo of my very blond daughter during class discussion as an example of the hit and miss nature of selective breeding as both her parents have very dark brown hair. In this worksheet, we will practice explaining the process of selective breeding, and discussing its advantages and disadvantages. Find selective breeding lesson plans and worksheets.
Selective breeding teachercreated lesson plan common. This is a zipped folder containing a pdf and an editable version of each of the following. Natural selection and selective breeding lab students will love you for providing them with a handson experience when learning about the process of natural selection and selective breeding. Use these activities to help students learn about selective breeding. Domestic animals are commonly bred for various traits. People selectively breed domesticated plants and animals to. Displaying top 8 worksheets found for selective breeding with answers. And yet, the pain and suffering that livestock endure makes us think twice. As opposed to natural selection, selective breeding focuses on traits which will benefit humans. Biotechnology worksheets from as little as a single cell is possible.
Selective breeding or artificial selection is a process in which rats are bred for a particular trait or phenotype. Below is a picture of a horse left and donkey right and a mule bottom. Students complete a preassessment to show what they already know about the topic of selective breeding in dogs. Selective breeding worksheet teachers pay teachers. Selective breeding new aqa biology gcse teaching resources. Selective breeding definition and examples biology dictionary. Selective breeding lesson resources teaching resources.