Parents can pass on chromosomes to their children that are different than their own when the new gene combinations are created by a) crossing over of sister chromatids during meiosis. b) crossing over of sister chromatids during mitosis. c) crossing over of homologous chromosomes during mitosis. eliminate d) crossing over of homologous chromosomes during meiosis.

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos

In the united states there are many types of rabbits. four different species have four different ranges or habitats. in which range would developing white fur in winter most likely not be an advantage?

Dangerous nosebleeds, while rare, originate in the back artery of the nose and are complicated to treat. true false