1. the gene for color blindness is carried on the x chromosome and is recessive. a man, whose father was colorblind, has a colorblind daughter. a) is this man colorblind? how do you know? b) where did he get his allele for colorblindness? c) must the fathers of all colorblind girls be colorblind? why?

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different

Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.