Today we are going to look at how scientists can figure out the probability - the chance - that offspring from a set of parents will have a certain trait - like attached earlobes.
Part 1 - Read about Punnett Squares and do the practice problem on THIS SITE
Part 2 - Now read about sex linked traits ( traits that are carried only by girls or only by boys) on THIS SITE then do the practice problems on THIS SITE
Part 3 - Try the Sponge Bob Genetics Problems on the handout
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