Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's...

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Genetics Part 1

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Transcript of Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's...

Page 1: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

GeneticsPart

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Page 2: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

You have your genes to thank – or blame for how you look• Genes are

your body's instruction manual.

• They affect the way you look, your health, and the way your body works.

Page 3: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

Heredity is the passing on of characteristics from one generation to the next.

• It is the reason why offspring look like their parents.

• The study of heredity is called genetics and scientists that study heredity are called geneticists.

Page 4: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

Genes and Inheritance

• Your genes are unique – unless you have an identical twin.

Page 5: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

Genes and Inheritance

• Half of your genes are from your mother• the other half are from your father, • who, in turn, received their genes from

their parents, • and so on, right back to

your earliest ancestors

Page 6: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

DOMINANT & RECESSIVE• Certain genes are

dominant, and you only need one of the pair to give you its trait.

• Dominant genes are represented as capital letters and recessive genes as lower-case letters.

Page 7: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

Some Human Traits

Page 8: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

Some Human Traits

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6 Fingers and Toes

Are Dominant

Page 10: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

Alleles

• Are all the possible genes for a trait

Page 11: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

The Gene Locus

• Is the location of a gene on the on the chromosome

Page 12: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

Genotypevs

Phenotype• Genotype

Is the actual genes that an individual has for a trait

• Phenotypethe physical expression of the genes

Page 13: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

Let’s check your understanding with……….

Page 14: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

A Game of X’s and O’s

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7 8 9

4 5 6

1 2 3

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7 8 9

4 5 6

1 2 3Scoreboard

X

O

Click Here ifX Wins

Click Here ifO Wins

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What structure on chromosomes carry the instructions for a trait?

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GenesHome

Page 19: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

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What is the passing of characteristics from one generation to the next?

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HeredityHome

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What is the study of heredity?

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GeneticsHome

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True or False: You get all of your genes from your mother.

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FalseHome

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You must have two of these genes in order for it to be expressed.

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RecessiveHome

Page 27: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

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All the possible genes for a trait

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AlleleHome

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The location of a gene on a chromosome

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LocusHome

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True or False: The color purple is an example of genotype

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FalseHome

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True or False: Dominant genes are represented by capital letters

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TrueHome

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Page 37: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

Adapted From

Presentation

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Page 38: Genetics Part 1. You have your genes to thank – or blame for how you look Genes are your body's instruction manual. They affect the way you look, your.

DNA Techniques Lab Preparation 13-1 Manipulating Genes Genetic Engineering: You can repair genes, insert genes, excise genes or replace genes with gene.

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Human Genetics What Genes do you have?. What is a trait? “Your Mom gives you ½ of the instructions, your Dad gives you the other ½.” In science jargon:

Human Genetics What Genes do you have?. What is a trait? “Your Mom gives you ½ of the instructions, your Dad gives you the other ½.” In science jargon:

GENETICS - montclair.edu€¦ · IT’S ALL IN YOUR GENES When you were formed, you inherited DNA from your father and mother in the form of chromosomes. You inherited 23 chromosomes

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Mendelian Genetics How Genes Work. Who Are You? Phenotype – How you look; PHysical appearance Genotype – Your genetic makeup; GENEs.

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You can't change your genes, But you can change your ... · • Chemical exposures, even at low doses, can disrupt delicate endocrine system and create a mechanism for disease •

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Answers: Genes, alleles, nucleotide sequence Questions: – You share 99% of your ___________ with a chimpanzee. – You share 60% of your ___________ with.

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B1 – You and your Genes Locating genes Genes are located in chromosomes which are in the nucleus of cells cell nucleus.

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Revision B1 B2 B3 Go to B1 Go to B2 Go to B3. B1 – You and your Genes.

Your blood type is established before you are BORN, by specific GENES inherited from your parents. These two genes - one gene from your MOTHER and one.

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