create a face lab Create a Face Lab Introduction: Why do people look so differen

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create a face lab

Create a Face Lab Introduction: Why do people look so different from each other? Even close relatives often look very different from each other. This happens because a very large exist in the human population and new variations are created as humans reproduce. Remember during meiosis there can be reshuffling and even crossing over of genes. In this activity, we will learn why brothers and sisters have different genotypes (genetic messages on their DNA) and phenotypes (physical appearances), even when the share the same parents. variety of traits So... CONGRATULATIONS! You are a parent! You and your lab partner represent a couple that each have one dominant and one recessive gene for each facial feature illustrated in this lab. Amazing coincidence, huh? As you already know this means you are heterozygous for ea trait ch Materials: o A partner A penny Colored pencils a Procedure 1. Obtain a partner and the rest of your materials. Decide which of you will contribute the genes of the mother and with will contribute the genes of the father. Find out the sex of your child 2. Remember your mom's genotype is XX and dad's is XY. So only Dad flips the coin. Heads represents Y sperm, which means the child will be a boy. Tails represents X sperm, which means the child, will be a girl. 3. Give your bouncing baby a name 4. Discover the facial features your child will have by flipping the coin as directed by the following pages. For purposes of the rest of the activity: Heads will represent the dominant trait shown in capital letters. Tails will represent the recessive trait shown in lowercase letters. · On the Face Lab Data Sheet record the genetic contributions (results from the flips of the coins) in the columns labels Gene(s) from Mother and Gene(s) from Father. Record the actual genetic message in the genotype column, and record the appearance in the phenotype 5. column. Draw your child's Senior Picture. When you have determined all the features of your child's face, draw and color the way your baby will look when he/she has reached their senior year of high school. Complete the analysis section of the lab. data sheet and turn it in. 6. 7. Then, attach the lovely drawing of your child to the

Explanation / Answer

Parents names Baby's name :Tisti

Tivit

Sweety

Phenotype   

1. Face shape

Face table Facial trait Gene from mother Gene from father Genotype   

Phenotype   

Child's gender X X xx Girl

1. Face shape

R r Rr Round 2. Chin shape P p pp Weak 3. Chin shape II R R RR Round chin 4. Cleft chin c c cc Absent 5.skin colour abc abc aabbcc White 6. Hair colour abcD abCD aabbCcDD Honey blonde 7. Red hair r r rr No red 8. Hair type c C Cc Wavy 9. Widows peak W w Ww Present 10. Eyebrow colour m M Mm Medium 11. Eyebrow thickness B b Bb Bushy 12. Eyebrow placement N N NN Not connected 13. Eye colour AB AB AABB Dark brown 14. Eye distance E E EE Close together 15. Eye size L L LL Large 16. Eye shape A A AA Almond 17. Eye tilt H H HH Horizontal 18. Eye lashes L l Ll Long 19. Mouth size l L Ll Average 20. Lip thickness t T Tt Thick 21. Lip protrusion p P Pp Slightly protruding 22. Dimples P p Pp Present 23. Nose size B B BB Big 24. Nose shape p p pp Pointed 25. Nostril shape p p pp Pointed 26. Ear lobe attachment f f ff Attached 27. Darwin's ear point p p pp Absent 28. Ear pit p p pp Absent 29. Hairy ears 30. Freckles on cheeks P P PP Present 31. Freckles on forehead p p pp Absent

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