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Copyright © 2011 InteractiveScienceLessons.com a child inherits its genes from both parents typically, half the genes come from each parent this activity shows how genetic differences accumulate over generations Lets read, starting on p.
Copyright © 2011 InteractiveScienceLessons.com _ _ _ _ _ 1 2 3 4 5 6 7 8 9 10 _ _ _ _ _ 1 2 3 4 5 6 7 8 9 10 _ _ _ _ _ 1 2 3 4 5 6 7 8 9 10 _ _ _ _ _ 1 2 3 4 5 6 7 8 9 10 YouSpouse ChildSpouse I. II. M M M M M S S S S S heads tails M S S M S M MSM % 50 R R R R R Grandchild _ _ _ _ _ 1 2 3 4 5 6 7 8 9 10 SRR R S R M R M M % 30 _ _ _ _ _ 1 2 3 4 5 6 7 8 9 10 Spouse A A A A A III. S % 100 height nose chin heightnose heads tails
Copyright © 2011 InteractiveScienceLessons.com 1.Record the percent of your DNA present in each generation: I. ________ % (You!) II. ________% III.________% IV.________% V.________% 2. Compare the DNA of your child with that of your grandchild Child: Grandchild: *comment: 3. Beginning with your great-great grandchild and working backwards to you, how many total people, including parents, and parents of parents, are there in the ancestry? Complete the chart below. Your answer will the number of people on line I. (youre one of them!). _______ people! Questions- Diluting Your DNA Great-Great Grandchild MomDad MomDad V. IV. III. _ _ _ _ _
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