Modern genetics ppt

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Modern genetics ppt

Genetics includes the study of heredity, or how traits are passed from parents to offspring. The topics of genetics vary and are constantly changing as we learn more about the genome and how we are influenced by our genes.

Heredity Simulation — use popsicle sticks to show how alleles are inherited Penny Genetics — flip a coin to compare actual outcomes versus predicted outcomes from a punnett square Heredity Wordsearch — fill in the blank, find words. X Linked Genetics in Calico Cats — more practice with sex-linked traits Multiple Allele Traits — practice with blood type crosses and other ABO type alleles Multiple Allele Traits in Chickens — shows how combs are inherited rrpp x RRpp Inheritance and Eye Color — uses a simulation to show how multiple alleles can influence a single trait eye color.

As the case progresses, students learn about polygenic inheritance patterns. Oompa Loompa Genetics pdf — basic crosses and problem sets, using oompa loompas Norn Genetics — online simulation showing basic single allele traits, multiple allele traits and codominance. Paper Pets — another simulation using paper models with traits for eyes, nose, mouth, and hair. Hardy-Weinberg Problem Set — statistical analysis, using HW equation and some dragons Hardy Weinberg Simulation — track an allele in population by simulating how parents pass alleles to offspring.

Corn Genetics and Chi Square — statistical analysis, using preserved corn and counting kernels Corn Genetics — grow corn, albino ratio, lab report analyzes F1, F2 crosses. Fruit Fly Genetics — virtual lab where you cross different flies, gather data and statistically analyze the results Fruit Fly Drosophila Virtual Lab — more extensive virtual lab through a program created by Virtual Courseware, requires set up by teacher.

Dragon Genetics Word Problems ppt — displays genetics problems on projector for students to solve. Meiosis Label — look at cells in various stages of meiosis, identify and order Meiosis Internet Lesson — look at animations of meiosis and answer questions Meiosis Powerpoint — slideshow covers meiosis, homologous chromosomes, crossing over….

Modeling Chromosomal Inheritance — use pipe cleaners to show how genes are inherited; independent assortment, segregation, sex-linkage. DNA Powerpoint Presentation — covers the basics for a freshman level class. Genetic Engineering Concept Map — Complete this graphic organizer on various techniques used in genetics, such as selective breeding and manipulating DNA. Lesson Plans.Teachers Pay Teachers is an online marketplace where teachers buy and sell original educational materials.

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Origins of Modern Genetics - PowerPoint PPT Presentation

View Bundle. Product Description. I have found that this method works extremely well with both mainstreamed and inclusion students. When I taught in a traditional HS, I provided a notebook with all the slides for students who needed to take a second look at a slide or were absent for the day.

A free product preview of the entire PowerPoint Presentation is available below. A Notes Outline and other resources on this topic can be purchased separately. Total Pages. Report this Resource to TpT. Reported resources will be reviewed by our team. Add one to cart. Buy licenses to share. Add to Wish List. Share this resource. Lisa Michalek 2, Followers. Keep in Touch! Sign Up.This tutorial emphasizes the work of Gregor Mendel, the father of modern genetics.

Mendel was the first scientist to examine, in a quantitative manner, the behavior of traits between generations. By looking at the proportions of progeny, he was able to infer the basic tenets of modern genetics. By the conclusion of this tutorial you should have a basic understanding of:. Johann Gregor Mendel was born in and was raised on his parents small farm, in what is now the Czech Republic. After attending high school and the Olmutz Philosophical Institute, Mendel became a friar at an Augustinian monastery in Brno in at the age of After several years of theological study, Mendel failed his teacher's examination and was sent to the University of Vienna Austria for two years of study from Johann Gregor Mendel Click image to enlarge.

He returned to the monastery and began his studies of inheritance with pea plants Pisum grown in the monastery's garden. He published his work in ; however, it went largely unnoticed until its rediscovery insixteen years after his death.

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Mendel's experiments demonstrated many of the basic principles of genetics, and so, his studies are used to illustrate the first principles of inheritance. Mendel probably chose to work with pea plants because of the many variants that exist in their morphology physical appearance.

The color of the flowers, seeds, and pods can differ between individuals, as well as the position of the flower on the stem, the length of the stem, and the shape of the seeds and pods. Pisum provided Mendel with a wide variety of characteristics with which to examine patterns of inheritance. At this point, we need to introduce the terms that Mendel referred to as a character and a trait.

Mendel defined a character as a heritable feature for which variants exist, and a trait as a particular variant for the character. For example, flower color is a character, whereas purple and white are traits. Other characters and traits that he studied included: seed color yellow or green ; seed shape round or wrinkled ; pod shape inflated or restricted ; flower position terminal or axial ; and plant height tall or dwarf.

In addition to Pisum's variety of characters and traits with which to study patterns of inheritance, Mendel also probably chose to study peas because their reproduction can be easily controlled, which afforded him strict control over the mating of different individuals.

The general process is shown in this figure. Peas will often self-fertilize also termed "selfing"transferring pollen from the stamens to the carpel on the same flower.

The ease by which peas can be "selfed" played an important role in Mendel's studies. In some cases, Mendel wanted to cross plants with different traits. This required that he prevent selfing by removing the immature stamens before they produced pollen; he then brushed the carpel with pollen from another individual.Scientific Method, Measuring and Graphing.

modern genetics ppt

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Respiratory System. Excretory System. Nervous System. Endocrine System. Mitosis and Asexual Reproduction. Mendelian Genetics. The unit began on Wednesday, March 16, The quiz is on Wednesday, March 23, Regents Review. Skip to main content. Side panel. You are currently using guest access Log in. Topic outline General. Living Environment SI Mr.

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Modern Genetics PowerPoint Presentation Lesson Plan

Hugo deVries Holland. Erich von Tschermak Austia. Dominant and Recessive Alleles. Genotype and Phenotype. Example: If a pea plant with genotype TT will only be tall if the soil is sufficiently rich to provide nutrients and water. They produce only one type of gamete with specific to particular gene. They produce different types of gametes with specific to particular gene. Hybridization and Hybrid. Monohybrid Cross. Dihybrid Cross. F1 and F2 Generation.

Reciprocal Cross. Test Cross. More Genetics Lecture Notes…. Download the PPT of this Topic…. Please See Your E-Mail…. You may also like…. Monohybrid Inheritance. Dihybrid Inheritance.

Incomplete Dominance.

1) Next Generation Sequencing (NGS) - An Introduction

Multiple Alleles.After you enable Flash, refresh this page and the presentation should play. Get the plugin now. Toggle navigation. Help Preferences Sign up Log in. To view this presentation, you'll need to allow Flash. Click to allow Flash After you enable Flash, refresh this page and the presentation should play. View by Category Toggle navigation. Products Sold on our sister site CrystalGraphics. Title: Outline of Modern Genetics. Description: Outline of Modern Genetics.

Jean Baptiste Lamarck French, early 19th c. Modern Genetics Genetics after DNA Tags: genetics modern outline. Latest Highest Rated.

modern genetics ppt

The Inheritance of Acquired Characteristics Charles Darwin English, Species can change through the process of natural selection Gregor Mendel Austrian, Founder of modern genetics Experimental discovery of inheritance of traits from one generation to the next genes as material foundation of heredity 2 Jean B. Lamarck 3 Charles Darwin 4 Gregor Mendel 5 Modern Genetics Thomas Morgan Located genes at chromosomes and developed modern genetics through experiments on Drosophilafruit flies Oswald Avery and colleagues Discovered in that DNA was the molecule that contained genetic information 6 Thomas Morgan 7 Oswald Avery 8 Watson and Crick James Watson and Francis Crick Cracked the molecular structure of DNA and explained how the genetic codes were transferred from one generation to another.

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modern genetics ppt

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Modern Genetics: Life Science Notes, PowerPoint and Test ~ EDITABLE

Related More from user. Promoted Presentations. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect.Mendelian genetics and modern genetics are really just parts of the same thing. Gregor Mendel formed the basis of modern genetics.

Later scientists built on his ideas and laws, elaborating on them. Nothing in modern genetics disagrees with Mendel's interpretation of genetics, but it has found cases where genetics is more complicated than the version he uncovered.

Gregor Mendel performed his famous experiments on pea plants. By observing the outcome of crossing different pea plants, Mendel was able to figure out that both parents contributed an allele to their young. Alleles are the varieties an inherited trait may have so "straight-leafed" and "curly-leafed" might be two alleles of the "leaf-shape" characteristic.

Mendel figured out that some alleles -- called dominant alleles -- will mask the presence of other alleles -- called recessive alleles. Using probability and an understanding of these laws of genetics, Mendel could predict the outcome of crossing different pea plants together.

As the understanding of genetics later evolved, it became clear that alleles were usually different versions of genes. In some cases, the picture is more complicated than basic Mendelian genetics.

modern genetics ppt

For example, sometimes multiple alleles interact with each other. Mendel's methods can work just fine for a handful of alleles. But sometimes, many genes interact to produce a trait. Traits influenced by multiple genes are called "polygenic traits.

However, each individual gene that contributes to height does follow these patterns. It is only because many different genes contribute that height appears to contradict Mendelian genetics.

Sex-linked traits are a special area of Mendelian genetics. In humans, sex is determined by two paired chromosomes called sex chromosomes. Females have two X-shaped sex chromosomes, with the same genes but often different alleles. Males have one X-chromosome, and one shaped like a "Y. So in human males, a few traits, like baldness and the most common form of colorblindness, follow special patterns.

For example, males are more likely to develop colorblindness, since they only get one copy of the allele from the their motherand the father cannot contribute a copy of the gene. Most sex-linked traits follow normal Mendelian patterns in females. The big difference between the modern science of genetics and Mendel's basic laws is that modern scientists have a much clearer understanding of the mechanisms behind the patterns Mendel observed. Understanding the underlying mechanisms of genetics has allowed scientists to further build on Mendel's work.

Nothing in modern genetics contradicts Mendel's work, it just explains why Mendel's laws work, and explains the few situations when they seem to not apply. Modern Genetics. Photo Credits. Copyright Leaf Group Ltd.


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