Genetics Intro Powerpoint

Biology 30 – Unit 3 ~Mrs. S. Pipke-Painchaud Genetics Overview

What is Genetics? ,[object Object],[object Object]

[object Object],[object Object],[object Object]

Selection of Animals ,[object Object]

[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

Why is Genetics important to society? ,[object Object],[object Object],[object Object]

Gregor Johann Medel The Father of Genetics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Pictures & more info available from: (Zephyrus http:// www.zephyrus.co.uk/gregormendel.html )

[object Object],[object Object],[object Object],[object Object],[object Object],Mendel Web: http://www.mendelweb.org/images/lathyrus.mar.GIF

Mendel’s Experiments ,[object Object],[object Object],[object Object]

Mendel Selected the Garden Pea because . . . ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Consider the time . . . ,[object Object],[object Object]

Selected Characteristics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mendel’s Experiments were successful because. . . ,[object Object],[object Object],[object Object],[object Object]

The Experiment ,[object Object],[object Object],[object Object]

Example: Round/Wrinkled ,[object Object],[object Object],[object Object],[object Object],http://www.mendelu.cz/images/mendel_krizeni2.png

Monohybrid Cross ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://fig.cox.miami.edu/~cmallery/150/mendel/sf10x4.jpg

Terminology ,[object Object],[object Object]

The Experiment cont’d ,[object Object],[object Object]

Mendel’s Laws of Heredity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],http://www.animalgenome.org/edu/genetics/meiosis.gif

Mendel’s Reasoning ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Genetic Terminology ,[object Object],[object Object],http://www.ndsu.edu/instruct/mcclean/plsc431/mendel/peashape.gif

Genetic Terminology ,[object Object],[object Object],[object Object],[object Object],http://www.visionlearning.com/library/modules/mid129/Image/VLObject-3225-050214020235.jpg

Genetic Terminology ,[object Object],[object Object]

Hints for working with genetic traits . . . ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Genetic Terminology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Punnett Squares ,[object Object],[object Object],[object Object],[object Object]

[object Object], Genotypic ratio—all Ww  Phenotypic ratio – all round

F1 X F1 Genotypic ratio = 1 WW: 2 Ww: 1ww Phenotypic ratio = 3 round : 1 wrinkled

Types of Monohybrid Crosses ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],If all the same the unknown individual must be homozygous dominant. (WW) Ww Ww w Ww Ww w W W

Test Cross . . . If you get a 1:1 ratio the unknown individual must be heterozygous dominant. ww Ww w ww Ww w w W

Try these: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],n n N N Nn Nn n Nn Nn n N N

Part B: ,[object Object],[object Object],[object Object],[object Object],Genotype: 1 NN: 2 Nn: 1 nn Phenotype: 3 Freckles : 1 Non freckle n N n N nn Nn n Nn NN N n N

Now Try ,[object Object],[object Object]

Resource Websites: ,[object Object]

Genetics Intro Powerpoint

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Genetics Intro Powerpoint