Using the of the semi concevative replication of dna, what is the role of a single strand of dna

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

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Does anyone know what the schooling version of sos mean? example