8th grade Science: Unit 4- Genetics

General Announcements:

- Genetics Unit Exam: Thursday, February 12th
Topics:
Inheritance- simple, incomplete, codominance and multiple alleles
Punnett squares
Pedigrees
DNA
*See vocab list below*
*More detailed list of review can be found HERE


Answers to the in class review sheet can be found HERE

- Quiz #3: Friday 1/30 *Rescheduled for Tuesday, February 3rd
Topics: Methods of Inheritance- complete, incomplete, codominance and multiple alleles

NOTES ON THESE TOPICS:
Incomplete
Codominance
Multiple Alleles

- Quiz #2: Friday 1/16
Topics:
     - Punnett Squares- create a key, show the cross, complete the punnett square and a T-chart for results.  See the notes from class on page 23 inyour lab manuals.
     - Pedigrees- be able to create a pedigree given information about the relationships between individuals.  See page 35 in your lab manuals for a complete list on the rules of making pedigrees.
     - See the vocabulary list below

Genetics Vocabulary:
genetics
heredity
inheritance
trait
dominant
recessive
hybrid
pure
heterozygous
homozygous
genotype
phenotype
gene
chromsome
DNA
sexual reproduction
asexual reproduction
variations
Mendel
allele
codominance
incomplete dominance
multiple alleles


- Quiz #1 on Genetics: Friday 1/9
Topics:
- Mendel webquest (website below)
- Mouse House Genetics (website below)
- Assessing Genetic Variations lab- dominant versus recessive, trait, variations
- Investigating inherited Traits- genes, genetics, sexual reproduction vs. asexual reproduction, pure and hybrid

Additional Information:

- Website for Mendel Webquest: http://www2.edc.org/weblabs/Mendel/MendelMenu.html 

- Website for Mouse house: http://abcscience.net/genetics/mouse.htm 

Traits for Pedigree Project

- http://faculty.southwest.tn.edu/jiwilliams/Human_Traits.htm 

Traits	Dominant	Recessive
Shape of ear lobe	Free ear lobes	Attached ear lobes
Shape of hairline	Widow’s peak	Straight
Ability to roll tongue	Tongue roller	Non-tongue roller
Ability to fold tongue	Tongue folder	Non-tongue folder
Hair texture	Curly (or wavy)	Straight
Chin	Cleft chin	No cleft chin
Hair color	Non-red	Red
Hair shade	Dark	Light
Arch of foot	Flat	Arched
Thickness of lips	Thick	Thin
Second toe on foot	Long second toe	Short second toe

Dominant	Recessive
Hair, Skin, Nails, and Teeth
Dark hair	Blond hair
Non-red hair	Red hair
Curly hair	Straight hair
Abundant body hair	Little body hair
Early baldness (dominant in male/sex linked)	Normal
Pigmented skin, hair, eyes	Albinism
Ichthyosis (scaly skin)	Normal
Epidermis bullosa (sensitiveness to slight abrasion)	Normal
Absence of enamel on teeth	Normal
Normal	Absence of sweat glands
Eyes
Brown	Blue/gray
“Mongolian fold”	No fold
Congenital cataract	Normal
Nearsightedness	Normal vision
Farsightedness	Normal vision
Astigmatism	Normal vision
Glaucoma	Normal
Aniridia (absence of iris)	Normal
Congenital displacement of lens	Normal
Normal	Optic atrophy (sex linked)
Features
Free ear lobes	Attached ear lobes
Broad lips	Thin lips
Large eyes	Small eyes
Long eyelashes	Short eyelashes
Broad nostrils	Narrow nostrils
High, narrow bridge of nose	Low, broad bridge
“Roman” nose	Straight nose
Skeleton and Muscles
Short stature (many genes)	Tall stature
Achondroplasia (dwarfism)	Normal
Ateliosis (midget)	Normal
Polydactyl (more than 5 digits on hands or feet)	Normal
Brachydactlyly (short digits)	Normal
Circulatory and respiratory systems
Hypertension (high blood pressure)	Normal
Normal	Hemopholia (sex linked)
Normal	Sickle cell anemia
Endocrine System
Normal	Diabetes mellitus