Explain the difference between solid lines in the diagram and the dashed lines in the diagram

The allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above