Aroutine scan of an elderly man reveals partial occlusion of the right internal carotid artery, yet blood supply to his cerebrum is unimpaired. what are two possible causes of the occlusion? what anastomosis is maintaining blood supply to the brain and by what (probable) route(s)?

Which best describes the scientific process

Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.

List two modern organisms that have pentameral symmetry