In purple people eaters, one-horn is dominant and no horns is recessive. If purple people eater that is hybrid for horns is crossed with a purple people eater that does not have horns, what is the likelihood that their offsping will have horns?
1. HH.
2. Hh.
3. hh.

Scientific thinking: what clues about biology might road kill provide?

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases