Sickle-cell anemia is a disease that affects the type of hemoglobin (hb) a person makes in his or her red blood cells. consider the case of martin and cindy, who are the parents of mary. martin has sickle-cell anemia with abnormal hemoglobin, and his genotype is hbs/hbs. cindy has normal hemoglobin, and her genotype is hba/hba. their child, mary, carries the sickle-cell trait and produces both normal hemoglobin and abnormal hemoglobin. mary\'s genotype is hbs/hba. what type of dominance pattern would result in mary\'s blood producing both normal and abnormal hemoglobin?

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

Which of the following systems in absorbing oxygen and releases carbon dioxide

Select all the true statements about the cosmic microwave background radiation