Earlobe Attachment source: http://www.google.com/images?um=1&hl=en&safe=active&rlz=1T4RNWE_enUS310US310&biw=1004&bih=529&tbs=isch%3A1&sa=1&q=images+of+earlobe s+not+attached&aq=f&aqi=&aql=&oq=&gs_rfai=&safe=on “attached” “free” or “unattached”
Myths or Facts? Source: http://udel.edu/~mcdonald/mythearlobe.html Source: http://udel.edu/~mcdonald/mythearlobe.html Check it out and decide for yourself! Are these truly simple genetic traits, determined by single genes with 2 alleles? Or is there something else to the picture? Let’s check our family data, to see which view our data supports.
Homework – Find out about you, your birth parents, & immediate siblings…. 1.Tongue Roll? 2.Widow’s Peak? 3.Dimples? 4.Earlobe Attachment? Collect data using a grid……..
Final Thoughts Today’s Families: Our families come in many varieties. Do what you can, and don’t sweat the rest. Ethics of Science: You have to report the actual data, regardless of what you want the result to be.