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Baby Face Lab Tally Sheet Mother’s Name ______________________________________________ Father’s Name ______________________________________________ Baby’s Name ____________________________________________________________________________________________________________ Directions for completing this lab: 1. Figure out your phenotype and your partner’s phenotype for each of the 29 traits. Indicate your answer by circling the written phenotype in your column that matches yours. 2. Figure out your genotype and your partner’s genotype for each of the 29 traits. Use the Reference Sheet to help you with which trait is dominant and which is recessive. Indicate your answer by circling the written genotype in your column that matches yours. a. If you have the dominant trait, figure out if you are homozygous dominant or heterozygous. Do this by looking at your family history. If you cannot tell, or don’t have access to that information, assume you are heterozygous for the purposes of this lab. b. If you have the recessive trait, you must be homozygous recessive. 3. Figure out what gene each parent will pass to the baby for each of the 29 traits. a. For traits where you are homozygous, you only have one kind of allele to pass on. Circle the correct allele in the “Allele from Mother” or “Allele from Father” column that the baby receives from you. b. For the traits where you are heterozygous, flip the genetics coin. If the coin lands “A” side up, you will pass on your dominant allele, so circle that one in the baby’s genotype. If the coin lands “a” side up, you will pass on your recessive allele, so circle that one in the baby’s genotype. c. For “Sex”, assume that the “A” on the coin represents “X” and the “a” represents “Y”. d. For the 3 polygenic traits (Skin color, eye color, & hair color) treat the A gene and the B gene separately as you and your partner will each pass on one of each of those genes to the baby. 4. Use the “Allele from Mother” and “Allele from Father” as the new baby’s genotype. Using the Reference Sheet and your knowledge of genetics, figure out the baby’s phenotype. Circle the trait the child would get based on its genotype. 5. Draw your baby on the paper you were given. a. Be sure to read the directions/guidelines on the score sheet before completing your final copy. Trait Sex Skin color Mother’s Phenotype Girl Boy African-American Hispanic Asian Caucasian Father’s Phenotype Girl Boy African-American Hispanic Asian Caucasian Mother’s Genotype XX XY AABB AABb AaBB AaBb AAbb Aabb aaBB aaBb aabb Father’s Genotype XX XY AABB AABb AaBB AaBb AAbb Aabb aaBB aaBb aabb Baby’s Genotype Allele from Mother Allele from Father X Y X Y AB Ab AB Ab aB ab aB ab Baby’s Phenotype Girl Boy African-American Hispanic Asian Caucasian Trait Mother’s Phenotype Father’s Phenotype Mother’s Genotype Baby’s Genotype Father’s Genotype Allele from Mother Allele from Father Baby’s Phenotype Face shape Circular Oval Circular Oval CC Cc cc CC Cc cc C c C c Circular Oval Chin shape 1 Does not stick out from jaw line Sticks out from jaw line Rounded on the bottom Does not stick out from jaw line VV Vv vv VV Vv vv V v V v Sticks out from jaw line Does not stick out from jaw line Chin shape 2 Sticks out from jaw line Rounded on the bottom Flat on the bottom RR Rr rr RR Rr rr R r R r Rounded on the bottom Flat on the bottom Cleft chin No cleft Cleft No cleft Cleft AA Aa aa AA Aa aa A a A a No cleft Cleft Eyebrow color Darker than hair Lighter than hair Darker than hair Lighter than hair HH Hh hh HH Hh hh H h H h Darker than hair Lighter than hair Closer than width of nose Larger than width of nose Farther than width of nose Smaller than width of nose Closer than width of nose Larger than width of nose Farther than width of nose Smaller than width of nose EE Ee ee EE Ee ee E e E e Closer than width of nose LL Ll ll LL Ll ll L l L l Larger than width of nose Eye shape Almond Round Almond Round AA Aa aa AA Aa aa A a A a Almond Round Eye slant Horizontal Slanted Horizontal Slanted HH Hh hh HH Hh hh H h H h Horizontal Slanted AB Ab AB Ab aB ab aB ab Eye setting Eye width Brown Hazel Blue Green Eye color Hair texture Flat on the bottom Curly Wavy Brown Hazel Blue Green Straight Curly Wavy Straight Widow’s peak Widow’s peak No widow’s peak Widow’s peak No widow’s peak Eyebrow thickness Thicker than pinky width Thinner than pinky width Thicker than pinky width Thinner than pinky width AABB AABb AaBB AaBb AAbb Aabb aaBB aaBb aabb AABB AABb AaBB AaBb AAbb Aabb aaBB aaBb aabb CC Farther than width of nose Smaller than width of nose Brown Hazel Blue Green Cc cc CC Cc cc C c C c WW Ww ww WW Ww ww W w W w Widow’s peak No widow’s peak BB bb BB bb B b B b Thicker than pinky width Thinner than pinky width Bb Bb Curly Wavy Straight Baby’s Genotype Trait Mother’s Phenotype Father’s Phenotype Mother’s Genotype Father’s Genotype Hair color Black Brown Blonde Red Black Brown Blonde Red AABB AABb AaBB AaBb AAbb Aabb aaBB aaBb aabb AABB AABb AaBB AaBb AAbb Aabb aaBB aaBb aabb Eyebrow connection Two separate eyebrows Allele from Mother Allele from Father AB Ab AB Ab aB ab aB ab Baby’s Phenotype Black Brown Blonde Red Unibrow Two separate eyebrows Unibrow NN Nn nn NN Nn nn N n N n Two separate eyebrows Unibrow Shorter than pencil width Longer than pencil width Shorter than pencil width LL Ll ll LL Ll ll L l L l Longer than pencil width Shorter than pencil width Less than double the nose width Double (or more) the nose width Less than double the nose width MM M m M m Double (or more) the nose width TT T t T t Thicker than a pencil Less than double the nose width Thinner than a pencil Both lips similar in thickness Mouth width Longer than pencil width Double (or more) the nose width Lip thickness Thicker than a pencil Thinner than a pencil Thicker than a pencil Thinner than a pencil Hapsburg lip One lip double (or more) the thickness of the other Both lips similar in thickness One lip double (or more) the thickness of the other Both lips similar in thickness PP Pp pp PP Pp pp P p P p One lip double (or more) the thickness of the other Dimples Has dimples No dimples Has dimples No dimples DD Dd dd DD Dd dd D d D d Has dimples No dimples Nose width Wider than distance from pinky tip to 2nd knuckle Narrower than distance from pinky tip to 2nd knuckle Wider than distance from pinky tip to 2nd knuckle Narrower than distance from pinky tip to 2nd knuckle NN Nn nn NN Nn nn N n N n Wider than distance from pinky tip to 2nd knuckle Narrower than distance from pinky tip to 2nd knuckle Nose shape Tip of nose is rounded Tip of nose is pointy Tip of nose is rounded Tip of nose is pointy SS Ss ss SS Ss ss S s S s Tip of nose is rounded Tip of nose is pointy Nostril shape Rounded or oval Triangular or flared Rounded or oval Triangular or flared RR Rr rr RR Rr rr R r R r Rounded or oval Triangular or flared Ear lobes Free from side of head Attached to side of head Free from side of head Attached to side of head FF Ff ff FF Ff ff F f F f Free from side of head Attached to side of head Darwin’s ear Top of ear is pointy Top of ear is rounded Top of ear is pointy Top of ear is rounded DD Dd dd DD Dd dd D d D d Top of ear is pointy Ear hair No hair sticking out of ear Hair sticking out of ear No hair sticking out of ear Hair sticking out of ear HH Hh hh HH Hh hh H h H h No hair sticking out of ear Top of ear is rounded Hair sticking out of ear Freckles Has freckles No freckles Has freckles No freckles FF Ff ff FF Ff ff F f F f Has freckles No freckles Eyelashes Mm mm Tt tt MM TT Mm mm Tt tt Baby Face Lab Reference Sheet Trait Letter Used to Represent the Gene Sex X and Y Skin color A and B Face shape C Circular Oval Chin shape 1 V Sticks out from jaw line Does not stick out from jaw line Chin shape 2 R Rounded on the bottom Flat on the bottom Cleft chin A No cleft Cleft Eyebrow color H Darker than hair Lighter than hair Eye setting E Closer than width of nose Farther than width of nose Eye width L Larger than width of nose Smaller than width of nose Eye shape A Almond Round Eye slant H Horizontal Slanted Eye color A and B A_B_ = Brown A_bb = Hazel aaB_ = Blue aabb = Green Hair texture C CC = Curly Cc = Wavy cc = Straight Widow’s peak W Widow’s peak No widow’s peak Eyebrow thickness B Thicker than pinky width Thinner than pinky width Hair color A and B Eyebrow connection N Two separate eyebrows Unibrow Eyelashes L Longer than pencil width Shorter than pencil width Mouth width M Double (or more) the nose width Less than double the nose width Lip thickness T Thicker than a pencil Thinner than a pencil Hapsburg lip P One lip double (or more) the thickness of the other Both lips similar in thickness Dimples D Has dimples No dimples Dominant Phenotype Recessive Phenotype XX = Female XY = Male A_B_ = African American A_bb = Hispanic aaB_ = Asian A_B_ = Black A_bb = Brown aaB_ = Blonde Wider than distance from pinky tip to knuckle 2nd aabb = Caucasian aabb = Red Narrower than distance from pinky tip to 2nd knuckle Nose width N Nose shape S Tip of nose is rounded Tip of nose is pointy Nostril shape R Rounded or oval Triangular or flared Ear lobes F Free from side of head Attached to side of head Darwin’s ear D Top of ear is pointy Top of ear is rounded Ear hair H No hair sticking out of ear Hair sticking out of ear Freckles F Has freckles No freckles Score Sheet Information about Your Drawing (failure to do any of the following will result in disqualification from the Beauty Pageant) You may hold the paper vertically or horizontally. Your baby’s first name must clearly appear on the front of the drawing. Your name and your partner’s name must appear on the back of the drawing. Your child may be drawn at any age. You may add a body, props, decorations and/or scenery to the drawing, but all 29 traits from the Tally Sheet must still be clearly visible. The entire drawing should be in color. The Tally Sheet and this Score Sheet should be stapled to the back of the drawing when you turn it in. Information about Grading Category Points Earned Points Possible Genotypes of parents are possible for the parents’ phenotypes 7.25 Alleles given to baby are possible from parents’ genotypes 7.25 Baby’s phenotype correctly matches the genotype inherited 7.25 Traits on drawing correctly match phenotypes from tally sheet (must be obvious) 7.25 Neatness (no folds or wrinkles in paper, no eraser marks or scribbles, all lettering, drawings and coloring are carefully done) 2 Creativity (drawing includes a body and other items in addition to the head, the name is included in a creative way) 2 Color (entire drawing is in color, colors for all items are realistic) 2 Including child’s name on front of drawing 1 TOTAL SCORE Additional Comments 36
