ES+Work+for+Pedigrees

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Hi, my name is Nicole Doyle and today I will be discussing everything you need to know about pedigrees. First, pedigrees is a method to demonstrate the domiant and recessive traits through generations. Second, a dominant trait is the trait that will show the most in a pedigrees. For example, my mom has brown eyes and my dadhas green but both my sister and I have brown eyes were stronger then my dad's green eyes. Also, because both my sister and I have brown eyes and my mom's eyes gene was the dominant trait and my dad's eyes was the recessive trait. Third, a recessive trait will come up rarely in a pedigree. In the example above, you knew that my dad was the recessive trait because neither my sister or I got his green eyes. Fourth, a dominant trait is the stronger gene that will show up in a pedigree and in this case my mom's gene was dominant. Fifth, you can also demonstrate a dominant and recessive trait with letters. Such as, capital //BB// for the dominant trait and lower case //bb// recessive. This is called genotype which is your DNA and also comes before the phenotype. Lastly, phenotype is your physical appearence. Such as, eye clor, hair color, hair texture and etc. I, Nicole Doyle, hope that you feel that you have thoroughly learned everything about pedigrees. Thank you and have a good evening.

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