C. since sexual reproduction takes a lot longer and it involves 2 offsprings. it requires more energy
answer: D. Graph D I took the quiz
Explanation:
the new method bring to light
Cystic fibrosis (CF) affects both males and females and people from
all racial and ethnic groups. However, the disease is most common among
Caucasians of Northern European descent.
CF also is common among Latinos and American Indians, especially the
Pueblo and Zuni. The disease is less common among African Americans and
Asian Americans.