The mutation for color blindness is carried on the X chromosome of a sperm or egg cell. Color blindness is . (a.)caused by environmental factors
(b.)an inherited mutation
(c.)an acquired mutation

Which best describes carbon dioxide’s path out of the body

Which of the following are not included as modern mammals that evolved during the eocene epoch? primates artiodactyls perissodactyls none of the above

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes