PPT-Genetics: Part I Mendel and the Gene

2 Marfans Syndrome Cleft chin Colorblindness P olydactyly Widows peak Freckles Mendelian Genetics What do you remember about Mendel and his genetics studies from your first biology course. By: Keith King. Objectives. State the history of genetics;. Describe major century events;. Define terms used in genetics . History of Genetics. People have known about inheritance for a long time.. --children resemble their parents. Chapter 10 Section 1. Mendel’s Experiment. In the mid 19. th. century, a monk named Mendel studied how traits are passed from one generation to another.. Experimented on . garden peas. .. .  green pea plants reproduce sexually (produce gametes). Chapter 14. In the 1800s the popular inheritance theory was “blending”--offspring were a mixture of their parents. this suggests that organisms will become uniform over time (we know this isn’t true). Chapter 11. Who was Gregor Mendel?. He was known as the “FATHER OF GENETICS” . He discovered how traits were inherited. GENETICS. – study of heredity. HEREDITY. – the passing of traits from parents to offspring. . Mendel and His Pea Plants. Gregor. Mendel. Austrian. Recommended to enter an abbey by his physics teacher. Becoming a friar allowed Mendel to continue his studies in various science fields without having to pay for it. Crash Course – Heredity. Or. Khanacademy. - Introduction to Heredity. Genetics. Every living thing has a set of characteristics inherited from its parents (sexual reproduction) or parent (asexual reproduction).. QOD . 1/23/13- TRUE OR FALSE? . Girls . inherit more traits from their mother than their father. You . have inherited traits that are not apparent. Color . blindness is more common in males than females. A characteristic that an organism can pass on to its offspring through its genes is called what?. A TRAIT. The passing of traits from parents to offspring is called what?. HEREDITY. 2. The scientific study of heredity is called what?. Objectives. State the history of genetics;. Describe major century events;. Define terms used in genetics . History of Genetics. People have known about inheritance for a long time.. --children resemble their parents. The . Work of . Gregor. Mendel. Genetics. :. The scientific study of heredity. (Is now at the core of a revolution in understanding biology.). Gregor. Mendel. : Was an Austrian Monk, who was in charge of the monastery garden. He was the first person to trace the characteristics of successive generations of a living thing (pea plants).. Heredity. – The passing of characteristics from . parent to offspring.. Genetics. – the study of heredity. Gregor. Mendel (. 1822-1884). The father . of genetics.. http://. www.biography.com. KEY CONCEPT . The chromosomes on which genes are located can affect the expression of traits.. Two copies of each autosomal . gene . affect phenotype.. Mendel studied autosomal gene traits, like hair texture. . Conclusion:. Heredity material was packaged in discrete transferable units; came up with law of segregation and law of independent assortment.. Thomas Morgan – early 1900’s. Discovered that fruit flies’ genes were associated with chromosome inheritance.. heredity. Heredity is the cause of similarities between individuals. This is the reason that brothers and sisters with the same parents resemble each other and with their parents. Variation is the cause of differences who do resemble each other are still unique individuals. Thus, we have no trouble in recognizing the differences between sisters, for example, and even ‘identical’ twins are recognized as distinctive individuals by their parents and close friends. .