for breniyah

1. Pedigree
© 2013 Project Lead The Way, Inc.Medical Detectives

2. Pedigree Analysis
• Method used to study the inheritance of
genes in humans.
• Can be used to indicate a possible
diagnosis of a genetic disorder.

3. Pedigree Symbols
• Symbols are
used to
represent
family
members.

4. Pedigree for Joe Bloggs

5. Optional Extension
• The ability to roll your
tongue is a genetic
trait.
• As homework draw a
pedigree for your
family and for the trait
of tongue rolling.
• If the individual can
roll his or her tongue,
color in the symbol.

6. Image Sources
By Gideon Tsang from Austin, USA (rolled tongue). [CC-BY-SA-2.0
(http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia
Commons
McClean, P. (n.d.). Mendelian genetics. Retrieved from
http://www.ndsu.edu/pubweb/~mcclean/plsc431/mendel/mendel9.htm