Biology - Chp 11 - Introduction To Genetics - PowerPoint

Introduction to Genetics Chapter 11

11- 1 The Work of Gregor Mendel ,[object Object],[object Object]

Gregor Mendel ,[object Object],[object Object],[object Object],[object Object],[object Object]

True breeding ,[object Object],[object Object]

Genes and Dominance ,[object Object],[object Object]

Genes and Dominance ,[object Object],[object Object],[object Object]

Mendel drew two conclusions ,[object Object]

Mendel’s 2 nd conclusion ,[object Object],[object Object]

dominant ,[object Object],[object Object]

recessive ,[object Object],[object Object]

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

P 1 Parental Tall Short All Tall F 1 F 2 3 tall : 1 short 75% tall 25% short

The F 1 Cross ,[object Object],[object Object]

Explanation of the F 1 Cross ,[object Object],[object Object],[object Object]

11-2 Probability and Punnett Squares ,[object Object]

Probability ,[object Object],[object Object]

Punnett Square Vocab If you do not know the following vocabulary words you will fail miserably

Punnett Square ,[object Object]

Homozygous ,[object Object],[object Object]

Heterozygous ,[object Object],[object Object]

Phenotype ,[object Object],[object Object]

Genotype ,[object Object],[object Object]

11-3 Exploring Mendelian Genetics

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

All heterozygous 9:3:3:1 Ratio

Independent Assortment ,[object Object]

A Summary of Mendel’s Principles ,[object Object],Genes Genes

A Summary of Mendel’s Principles ,[object Object],[object Object],[object Object],dominant recessive

Incomplete Dominance ,[object Object],[object Object],[object Object]

Codominance ,[object Object],[object Object]

Multiple Alleles ,[object Object],[object Object],[object Object],[object Object],[object Object],Dominant Recessive

I A I A or I A i I B I B or I B i I A I B ii Genotype A B AB O Phenotype Human Blood Types

Polygenic Traits ,[object Object],[object Object]

Genetics and the Environment ,[object Object],[object Object],[object Object]

Do Now ,[object Object],[object Object]

Objectives ,[object Object],[object Object]

[object Object],[object Object],Meiosis chromosomes nucleus

Mendel’s principles of genetics require at least 2 things ,[object Object],[object Object]

Chromosome Number ,[object Object],[object Object],[object Object],[object Object]

Diploid ,[object Object],[object Object]

Haploid ,[object Object],[object Object]

Meiosis ,[object Object],[object Object]

Meiosis usually involves 2 divisions ,[object Object],[object Object]

Meiosis I ,[object Object],[object Object]

Prophase I ,[object Object],Tetrad

Crossing over ,[object Object]

Crossing over ,[object Object],[object Object],[object Object],[object Object]

Meiosis II ,[object Object],[object Object],[object Object]

Telophase II ,[object Object],[object Object]

Gamete Formation ,[object Object],[object Object]

Gamete Formation ,[object Object],[object Object],[object Object]

Comparing Mitosis and Meiosis ,[object Object]

Comparing Mitosis and Meiosis 46 46 46 46 23 23 23 23 Mitosis Meiosis

Gene Linkage ,[object Object],[object Object]

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

Q: Why is this good? ,[object Object]

Gene Maps ,[object Object],[object Object],[object Object]

Biology - Chp 11 - Introduction To Genetics - PowerPoint

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Biology - Chp 11 - Introduction To Genetics - PowerPoint