If nondisjunction occurs during meiosis, a)only two gametes may form instead of four b)some gametes may have an extra copy of some genes c) the gametes cannot join another to form an organism d) the gametes redistribute chromosomes after meiosis

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Give an example of a trait that is controlled by more than one gene.

What drives the atp synthase reactions that produce atp