Transcript powerpoint
Traits to put on a Family Pedigree (simple dominant and recessive) ATTACHED / UNATTACHED EARLOBES UNATTACHED DOMINANT ATTACHED RECESSIVE ROLLING YOUR TONGUE ROLLER DOMINANT NONROLLER RECESSIVE WIDOW’S PEAK WIDOW’S PEAK DOMINANT STRAIGHT HAIRLINE RECESSIVE HITCHHIKER’S THUMB STRAIGHT THUMB DOMINANT HITCHHIKER’S THUMB RECESSIVE PINKIES BENT PINKIES DOMINANT STRAIGHT PINKIES RECESSIVE CLEFT CHIN CLEFT NO CLEFT DOMINANT RECESSIVE SECOND TOES LONGER SECOND TOE DOMINANT SHORTER SECOND TOE RECESSIVE NUMBER OF FINGERS SIX FINGERS: POLYDACTYLY FIVE FINGERS DOMINANT!!!! RECESSIVE • A family tree traces a family name and various family members through successive generations. • Through a family tree, you can identify the relationships among your cousins, aunts, uncles, grandparents, and great-grandparents. • A pedigree is a family tree that traces an inherited trait. • It is made up of a set of symbols that identify males and females, individuals affected by the trait being studied, and family relationships. Pedigree Symbols Ended Relationship Line Male Relationship Line Female Parent/Children Line Affected male Affected female Male carrier of a recessive trait Female carrier of a recessive trait • The generations are identified in sequence by Roman numerals • Each individual is given a number. It always begins back at #1 for each generation, moving left to right. Websites on dominant and rec. traits. http://www.blinn.edu/socialscience/LDThomas/Feldman/Handouts/0203hand.htm http://www.ncbi.nlm.nih.gov/sites/entrez?db=omim http://www.highlands.edu/academics/divisions/socialcultural/psych/johnson/hnd-domrec.htm Pick one: Attached/Free Ear lobes, Hitch-hiker’s thumb, cleft chin, dimples, Curling tongue, Widow’s Peak, Longer second toe, nearsighted (rec), farsighted (dom.), double jointedness (dom.), right (dom.) or left (rec.) handedness, freckles….. ***If there is another trait that runs in your family and you would like to use that for your project, please make sure to get it approved before beginning the project.