The secondary sex characteristics of the male are controlled by hormones produced by what structure

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Jane is blood type a her husband is blood type b. jane is puzzled because their daughter is type o. explain how the daughter inherited a blood type that neither of her parents had explain your answer