Which of the following icons is used to represent a male carrier of a disease? a half-filled circle a half-filled square a completely filled circle a completely filled square

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes