Wednesday Nov What is a trait that you do not have but would like to have? 2. Why would you like to have that trait?

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Table of Contents Chapter 11 Page 1 My Genetic Profile

What is a genetic profile? A list of all the traits that you have. Some traits you can see Some traits you can not see Which traits do you have?

Part I Which Traits Do You Have? Put a X in the box next to the traits that you have.

Hitchhikers Thumb Hitchhiker Thumb Straight Thumb

Tongue Roller Non Tongue Roller

Earlobes Attached Detached

Hair Line Widows Peak Widows Peak Straight

Freckles

Chin Dimple No Chin Dimple

Hate it or Love it

PTC PTC is a chemical found in vegetables such as cabbage and brussel sprouts. Taster Non Taster

Part II Which Genes do you have? The traits on the left are the result of having Dominant GENES.

Dominant Genes If you have a dominant gene, you will have a dominant trait.

The traits on the right are the result of having Recessive GENES.

Recessive Genes If you do not have a dominant gene, you will have a recessive trait.

How to Write Your Genes Genes are represented by letters. Dominant genes are represented by a capital letter. Recessive genes are represented by a lower case letter. Always Use the first letter of the name of the dominant trait. Genes = Traits

Thursday Nov What are some traits (physical characteristics) that you have? 2.Who else in your family has the same trait? 3.Why do you think siblings that have the same mother and father look alike but not the same?

How do we know which letter to use? Always Use the first letter of the name of the dominant trait. Look at the back board

Turn to the backside of your paper Write the gene for the following traits.

Some other traits Straight Pinky Curved Pinky Recessive Dominant

Hair Texture Curly Dominant Straight Recessive

Hair Color Blonde Hair Dark Hair Recessive Dominant

Hand folding Right thumb over left Recessive Left thumb over right Dominant

Cheek Dimples Dominant Recessive

Eye Color Recessive Blue Dominant Brown

A person who has Dimples DominantRecessive

A person who does not have dimples Dominant Recessive

Part II My Phenotypes & Genotypes Phenotypes are the traits that a person has. Genotypes are the genes that the person has. You can not see the genes but you can see the trait.

Phenotype Expressed using words. What trait do you have? Write your phenotypes in the left column.

Example Hitchhikers thumb Phenotype Genotype No hitchhikers thumb OR

Genotype Expressed using letters What genes do you have?

Genotype  Everyone has two genes for one trait. Genotypes must have two letters.

Example Hitchhikers thumb Phenotype Genotype HH OR Hh No hitchhikers thumb hh Write in your possible genotypes in the right column.

Turn to the backside of your paper Write the genotypes for the following traits.

A person who has blue eyes. Recessive Blue Dominant Brown

A person who has brown eyes. Recessive Blue Dominant Brown

Table of Contents Page 2 Goal #2 Genetic Terms Nov. 21

Goal # 2 Genetic Terms

Genetic terms Heredity is… The passing of traits from parents to offspring. Genetics is … The branch of science that studies how traits are passed on.

Gene refers to.. A sequence of bases on your DNA. Allele refers to.. One of the two forms of a gene. One allele is inherited from each parent.

Genotype refers to.. The genes on the DNA. Use letters to describe the genotype of an organism. Phenotype refers to.. The traits that you have. Use a word to describe the phenotype of an organism

Dominant gene refers to.. A capital letter The trait that is expressed. Recessive gene refers to.. A lowercase letter. A trait that will only show if there is not a dominant gene.

Homozygous refers to… Having two alleles (letters) that are the same. Example : TT or tt Heterozygous refers to.. Having two alleles (letters) that are different. Example: Tt