In which situation are the phenotypes of F2 offspring expected to follow the ratio of 9:3:3:1 a. A monohybrid cross for 2 unlinked traits b. A monohybrid cross for 2 closely linked traits c. A dihybrid cross for 2 unlinked traits d. A dihybrid cross for 2 closely linked traits

If your blood becomes too concentrated with iona, what will happen to the red blood cells

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.

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine