Curated OER
Meiosis
In this meiosis learning exercise, students read about the phases of meiosis I and meiosis II and simulate the chromosomes and chromatids in each phase. Students draw the changes in each phase and produce 4 cells with half the DNA in the...
Curated OER
Molecular Approaches to Evolution
Young scholars examine the molecular studies of organisms that have led to a new era in their understanding of speciation and evolutionary relationships. Students study the allelic frequency of genes controlling specific molecules and...