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.
CK-12 Foundation
Ck 12: Life Science: Dna Structure and Replication
[Free Registration/Login may be required to access all resource tools.] DNA must replicate (copy) itself so that each resulting cell after mitosis and cell division has the same DNA as the parent cell. DNA replication occurs during the S...
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: La Leyes De La Herencia
In this unit young scholars will identify different kinds of genetic traits and how they are passed on from generation to generation. It contains 18 interactive activities.