Amutation occurs in the eye cell of a rat. the mutation stops the gene from producing the protein that builds part of tge eye. when would this mutation have the biggest effect on the health of the rat? a. when the rat is developing b. when the rat is reproducing c. when the rat is an adult d. when the rat is undergoing meiosis

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.