Which is a genetic disorder in which abnormal hemoglobin leads to fragile red blood cells and obstructed blood vessels? (1) phenylketonuria (2) sickle-cell anemia (3) leukemia (4) Down syndrome

Which of the following describes sickle-cell disease? Multiple select question.Red blood cells take on a translucent appearance.It is a hereditary condition.The heme part of hemoglobin is abnormal.Red blood cells are misshapen.It can be caused by iron deficiency.

A recessively inherited human blood disorder in which a single nucleotide change in the α-globin gene causes hemoglobin to aggregate, changing red blood cell shape and causing multiple symptoms.Group of answer choicesTay-Sachs diseaseHuntington’s diseasesickle-cell diseasecystic fibrosis

Fill in the Blank QuestionFill in the blank question.A deficiency of red blood cells or a reduction in the amount of hemoglobin they contain results in a condition called .

Hemoglobinopathies: Describe the mutation that causes Sickle Cell disease to affect the ability of Hb to function? Describe the mutation responsible for causing instability which affects the ability of Hb to function? Describe the mutation that causes Methemoglobin to affect the ability of Hb to function?

Briefly describe each of the commonly occurring mutations of haemoglobin (thalassemia and sickle cell) and how these affect haemoglobin production and function.