If two parents are heterozygous for a genetically inherited dominant trait, what is the probability that they will have a child together who also has a dominant phenotype? A.25 percent
B. 50 Percent
C.75% percent
D.100%

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

In each transformation of energy , some energy what?

Which organisms udergo photosynthesis