(03.07 HC)You are a forensic scientist on a case of a miss…

  (03.07 HC)You are a forensic scientist on a case of a missing child. You are tasked with using genetic genealogy to determine if a child in custody is the missing child. Currently, you do not have a DNA sample from the child. However, the child has hemophilia, a sex-linked genetic disorder passed from mother to child.Looking at the grandparents and parents of the missing child, you put together this pedigree. The shaded shapes mean the person has hemophilia. The open shapes mean a person does not have hemophilia and they are not a carrier of the disorder. The circles represent females, and the squares represent males in the family. The child in custody is represented with a shaded circle.Could the child in custody be the missing child?

(03.01 LC)Mutagens, such as pollutants, and UV light can cau…

(03.01 LC)Mutagens, such as pollutants, and UV light can cause mutations in DNA to occur at a higher rate than normal. These mutations may be beneficial in some cases, but often they lead to cancer. Which of the following best describes how cancer cells affect the body?