Bottleneck Effect: one type of genetic drift in which a natural disaster kills large numbers of a population regardless of fitness level & the surviving reduced population is likely to have a genetic makeup that is not representative of the original population; allele frequencies are unlikely to be identical to that of the original population.
AP Bio-Now a day’s most of the people are suffering from genetic diseases. This info graphic depicts on various types of genetic disorders. Reports states that individuals affected with Noonan syndrome.
A Missing Genetic Link in Human Evolution Humans have multiple copies of a gene known as which is thought to be involved in brain development. Chimps and orangutans have only one copy. By: Emily Singer
Genetics, Evolution, and Statistical Analysis- Using Genetic Crosses to Analyze Stickleback Traits. HHMI FREE Lab with printouts for introducing basic statistics into a first year biology classroom (with Chi squared extension for advanced students)
Genetic Engineering / Bacterial Transformation Lesson Plan I searched for a lab or hands-on activity on genetic engineering that would make the process less abstract, and more understandable to my students. I wasn't able to find what I wanted, so I wrote
Better than spoons, spatulas, sticks. Clipbirds activity from Berkeley bolsters student understanding of natural selection. Students use different size binder clips to represent the different size beaks of Darwin's finches.