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Eyes

Recessive

-Blue

Dominant

-Brown

-Green

Eyebrows and Teeth

Dominant

-Unibrow

-Crooked Teeth

-Gap Teeth

Tongues

Dwarfism

Achondroplasia

Dominant

-Tongue roller

-PTC Taste

Recessive

-non roller

-PTC Tasteless

The Roloff Family

Genetics

Finger Webbing

(Syndactyly)

Agromegely -Giantism

Lack of Apoptosis

dominant

Feet

polydactyl toes

flat feet vs. high arch

Webbed Toes (syndactyly)

Bent Pinky Fingers

Hitch Hiker's Thumb

Hand Clasp

dominant

dominant

recessive

Finger Hair

dominant

Double Jointed Fingers (bent fingers...dominant)

Hand Genetics

Recessive

Dominant

- Right Handed

- Bent Fingers

-Left on top interlocking fingers

-Polydactaly (Extra fingers/toes)

-Bent Pinky Finger

-Non hitch hikers' thumb

- Finger Hair

Polydactyly

dominant

Heredity

- Left Handed

-Straight Fingers

-Right on top interlocking fingers

-5 fingers/toes

-Straight Pinky finger

-Hitch Hiker's Thumb

-No Finger hair

-Gene: A segement of DNA

with a specific sequence of nucleotides that codes for a protein (expressed trait)

-Trait: Genetic Characteristic

-Heredity: The passing on of traits from Parent to Offspring.

-Look at yourself: What traits did you get from your parents Make a list on socrative!

Genetics:

The study of Heredity

Johann "Gregor" Mendel

-The "Father of Genetics" (1822-1884)

-His now famous research project on the garden pea (Pisum sativum) from (1854-1863)

Mendel

Recessive Allele

- Investigated the inheritance of 7 traits in pea plants at the Abbey of St. Thomas in Brunn.

free

-First person to study traits and collect quantitative data. Also, predicte how traits would be passed on.

attached

Traits

Genetic traits are the physical characteristics.

-Received credit for work after death. Both Mendel's laws were attributed to him, but not stated by him.

-One whose trait is not shown when the dominant

allele is present.

-Written with a lower case (small) letter

-Examples

1. Blue eyes

2. Red hair

3. Attached ear lobes

4. Cystic fibrosis

The Allele

-Different forms of a gene. Sexually reproducing organisms get two alleles (one from mom and one from dad)

-Examples:

- Pea plants (Tall vs. Short)

-Hair color (Black, Brown, Red, Blonde)

-Eye color (Brown, hazel,

green, blue)

Dominant

Allele

One whose trait always show up in an organism when present .

-Written using a capital letter.

-Examples:

1. Widows Peak

2. Brown hair/eyes

3. Huntingtons Disease

4. Dwarfism

5. Cleft Chin

Ears

Recessive

-Attached Ear Lobes

Dominant

-Free Ear Lobes

Skin

Recessive

-No Dimples

-No Freckles

-Albino (no pigmentation

Dominant

-Dimples

-Freckles

-Pigmentation

Hair

Recessive

-No Widow's peak

-Reverse Hair Whorl

-Straight Hair

-Red Hair

-Not Premature Grey

Dominant

-Widow's Peak

-Hair Whorl (Clockwise)

-Curly Hair

-Non Red Hair

-Premature Grey

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