Pedigree



__**Written Analysis**__ In my pedigree, I researched eye color in my family. My brown eyed family members have blue clothing, my hazel eyed family members are green, and my light brown eyed family members are purple. In my pedigree there are 20 people separated into three generations. I included my grandparents in one, my aunts, uncles, my parents in another and my brother and me in the last one. I noticed that most people in my family have brown eyes and only a few have light brown and hazel. I think a pedigree is a good tool to use when studying genetics because it can show you how all the family members at once and it is easy to compare the research. For example, a family has cancer, if the scientists want to know during what generation the cancer originated they can do it easily with a pedigree. With a pedigree you can also use a key to identify the different characteristics within the family. There are many //**genotypes**// in my family. Since the parents and child's eye color is brown throughout my moms side of the family, my moms genotype is unknown. On my dad's side, there are three different eye colors. Dark brown, light brown and hazel. The dominant trait is dark brown, which is //**homozyguse dominant.**//

//**Step 1: The dominant trait is dark brown eyes and hazel**// //**Step 2: My mom is dark brown eyes : BB**// //**My dad is hazel eyes: Bb**// //**Step 3:**//



//**Step 4: Dad- Heterozyguse dominant**// //**Mom- Homozyguse dominant**//