Keenan and Demetria both grew up in the United States but their parents immigrated from South Africa. They want to start a family, but both of them had one parent with Sickle Cell Anemia. They have both been healthy their whole lives and have been tested to see if they carry the gene. Look at their blood work and tell them their results. 2. What are the chances that they will have a child with sickle cell anemia? (Show punnett square) 3. What are the chances that they will have a child who carries the gene? 4. What are the chances that they will have a child who does not have the gene at all?

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

How do cfcs cause ozone depletion? how do cfcs cause ozone depletion? ultraviolet radiation breaks down cfcs, molecules containing chlorine. chlorine then breaks one oxygen atom away from ozone, leaving behind a paired oxygen molecule. ultraviolet radiation breaks down cfcs, molecules containing chlorine. chlorine then breaks two oxygen atoms away from ozone, leaving behind a paired oxygen molecule. ultraviolet radiation creates cfcs, molecules containing chlorine. chlorine then breaks two oxygen atoms away from ozone, leaving behind a paired oxygen molecule. ultraviolet radiation creates cfcs, molecules containing chlorine. chlorine then breaks one oxygen atom away from ozone, leaving behind a paired oxygen molecule.