Bio Extra credit

Extra Credit Assignment #2: Fetal and Embryonic Development

The fetal and embryonic development

Choose 1 of the following 3 topics:

Topic 1 – Implantation:

1. Go to the National Institute of Health web site

http://www.nlm.nih.gov/medlineplus/ency/anatomyvideos/000025.htm

and watch the video tutorial on implantation.

2. Write a 2-3 page essay (double spaced, 12 point Times New Roman font) about implantation that

addresses the following:

 Describe the implantation process.

 Explain 2 medical conditions that can prevent the blastocyst from implanting.

 What are the treatment options for those conditions, if any?

Topic 2 -Amniocentesis:

1. Go to http://www.nlm.nih.gov/medlineplus/tutorials/amniocentesis/htm/_no_50_no_0.htm

and complete the tutorial for amniocentesis.

2. Write a 2-3 page essay (double spaced, 12 point Times New Roman font) about amniocenteses

that answers the following questions:

 What is the purpose of an amniocentesis? What information does this test provide?

 Under what circumstances is an amniocentesis recommended?

 What are the risks of an amniocentesis?

 What other procedures are available that can provide information about potential

genetic conditions that the fetus may have? Describe them.

Topic 3 – Autism:

1. Go to the Center for Disease Control website http://www.cdc.gov/ncbddd/fxs/video/fragilex-

4.html and complete the tutorial for Fragile X Syndrome.

2. Write a 2-3 page essay (double spaced, 12 point Times New Roman font) about the Fragile X

Syndrome that answers the following questions:

 What is Fragile X Syndrome? Compare the full mutation version to the pre-mutation

version.

 What are the signs and symptoms of Autistics disorders during the first few years of life?

 Describe other health concerns that someone with Fragile X Syndrome might have.