Introduction: Genetics The Big Picture. All Normal Cells Contain 46 chromosomes or 23 pair.

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Introduction: Genetics The Big Picture

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The Nucleus  Contains the genetic information of the cell

Transcript of Introduction: Genetics The Big Picture. All Normal Cells Contain 46 chromosomes or 23 pair.

Page 1: Introduction: Genetics The Big Picture. All Normal Cells Contain 46 chromosomes or 23 pair.

Introduction: Genetics

The Big Picture

Page 2: Introduction: Genetics The Big Picture. All Normal Cells Contain 46 chromosomes or 23 pair.

All Normal CellsContain 46 chromosomes or 23 pair.

Page 3: Introduction: Genetics The Big Picture. All Normal Cells Contain 46 chromosomes or 23 pair.

The Nucleus Contains the genetic information of the cell

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Here are Chromosomes

23 pair or a total of 46 chromosomes.

http://gslc.genetics.utah.edu/units/disorders/karyotype/flash/karyotype_try_it.swf
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Sperm and Egg are Sex Cells

These specialized cells contain only 23 chromosomes. This is an egg.

Page 6: Introduction: Genetics The Big Picture. All Normal Cells Contain 46 chromosomes or 23 pair.

SpermMales produce sperm cells.

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EggWomen produce eggs.

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Fusion (fertilization)

Sperm fertilizes egg to produce a fertilized zygote with full compliment of 46 chromosomes.

                                         

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Human Embryo A fertilized human embryo. Life begins!

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Back To Chromosomes

Remember, the chromosomes exist inside the nucleus.

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Chromosomes Contain

DNA: deoxyribonucleic acid

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Genes Located:Along the DNAHumans have 30-40 thousand genes

Genes are information which code for proteins

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Tons of InformationEach cell contains enough info to fill a 1,000 volume library!

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Proteins100,000 kindsMake up 20% of our mass

Made up of amino acids

http://www.expasy.ch/cgi-bin/sw3d-search-ac?P07173
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Function of ProteinsStructural support for

cells, tissues,organsMovement: muscleTransport:

hemoglobinDefense:antibodiesCatalyst: enzymes


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