Is it possible to predict allele frequencies that are a result of genetic drift? Why or why not?

Which flexible structure that supports the nerve cord and led to the backbone

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

Each hereditary trait corresponds to