Bryn Mawr College
Serendip: Mitosis, Meiosis and Fertilization
Brief text summary of what students learn in the Mitosis, Meiosis and Fertilization lab, along with links to download Student Handouts in PDF and Word formats, and Teacher Preparation Notes in PDF format. The lab is a hands-on lesson...
Khan Academy
Khan Academy: Translocations in the Germline
Read this passage and study the graphics to complete a five-question quiz related to translocation.
Other
Trisomy 21: The Story of Down Syndrome
Written by a physician who has a child with Down Syndrome, this article reviews basic genetics and explains the occurrence of Down Syndrome as a result of nondisjunction in cell division. Includes normal and Down karyotypes....
American Association for Clinical Chemistry
Lab Tests Online: Down Syndrome
This informative site explains what this congenital condition is, and delves into the different types of testing to diagnose this chromosome defect.
Other
First Signs: Other Developmental Disorders
Although developmental and behavioral disorders are increasingly widespread, they are still poorly understood by most of society. The lack of knowledge is further compounded by the stigma that often accompanies a diagnosis of a...
BiologyWise
Biology Wise: What Is Nondisjunction and What Are Its Effects?
Nondisjunction is when homologous chromosomes or sister chromatids fail to separate normally during cell division. What it is and how this happens are explained here, as well as what can cause it and what impact it has on human health.
Other
Illinois Ds Birth Rates and Counts by County
Information on births of babies with Down Syndrome in Illinois. Information is present by county.