What percentage of the offspring neither are carriers nor have sickle cell anemia? 0% 25% 50% 100%

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.

Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii