Life's Greatest Miracle
Extra Credit

Watch the PBS Nova program Life's Greatest Miracle
(to view it online click here)
Use the following outline of the film's "chapters" to help you remember what you learn.
Life's Greatest Miracle
1. Passing on Your DNA
advantages of sexual reproduction
sperm
meiosis
running time 09:53
2. The Egg's Journey
expectant parents
finding a mate
intercourse
running time 06:00
3. The Sperm's Journey
obstacles
reaching the egg
entering the egg
running time 05:41
4. The First Two Weeks
cell division
implantation
morning sickness
running time 04:58
5. The Embryo Takes Shape
gastrulation
cells on the move
turning genes on
running time 07:47
6. Messages in the Genes
how sex is determined
the SRY gene
building organs and limbs
running time 04:35
7. Feeding the Growing Fetus
the placenta
organs begin to function
a remarkable transformation
running time 06:39
8. The Third Trimester
the growing brain
pain and danger of human birth
a new life
running time 07:07
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HINT: If you want to, you can print out this outline or the transcript
to take notes as you view each segment of the film—or as a review of its contents.
Use your written notes and answers to complete
the online Extra Credit Quiz (X Miracle) on WebCT.