10. Living things are made mostly of these four
main elements:
(1) hydrogen, oxygen, nitrogen, and protein
(2) water, protein, carbohydrate, and fat
(3) carbon, hydrogen, oxygen, and nitrogen
(4) glucose, salt, mineral, and base

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because

Has magnification ability of hundreds of thousands of times

3. in the fruit fly, recessive mutation brown, b, causes brown color of the eye and absence of red pigment. recessive mutation p of another independent gene causes purple color of the eye and absence of brown pigment. the cross of a brown-eyed female and purple-eyed male produced wild type eyes. what will be the colors and their ratio in f2?