I think it is B but check with others before you answer that
Answer:
family tree
Explanation:
A family tree is a diagram that recopile the histories of one or more traits among relatives in a family. The information obtained from a family tree can be useful to determine the probabilities to inherit a trait in future generations, as well as to understand genetic relationships between ancestors and descendants
riding a bicycle without your helmet
Based on information provided by the March of Dimes, there are about 120,000 to 160,000 women who live in the United States that have been diagnosed with HIV. Roughly about 6,000 to 7,000 of women diagnosed with HIV give birth every year. Since the beginning of the HIV/AIDS epidemic about 15,000 children U.S. have been infected with HIV and 3,000 children have passed. About 90% of those women had the HIV virus during pregnancy or birth.