Sickle-cell anemia is a disease of the red blood cells. a person who carries one sickle-cell gene is physically normal, but has the potential to pass on the sickle-cell trait to his or her offspring. in a person with two sickle-cell genes, the blood cells collapse and cannot carry enough oxygen to the body's cells. this person can have fatal anemia. based on this information, which statement best describes the gene for sickle-cell anemia? a. it is an acquired gene. b. it is a sex-linked gene. c. it is a dominant gene. d. it is a recessive gene.

Does indrect sunlight does not pose any danger to the skin

A41-year-old man comes to the clinic complaining of a chronic cough over the past 4 months, which has now been accompanied by haemoptysis. he denies smoking or any past medical history. on physical examination, his head and neck examination is normal. his lungs have diffuse bilateral rales. cardiac examination is normal. laboratory findings reveal na 142 meq/l, k 4.2 meq/l, cl 110 meq/l, hco3 24 meq/l, bun (blood urea nitrogen) 39 mg/dl, creatinine 2.9 mg/dl. urinalysis reveals microscopic haematuria and 4+ proteinuria. which of the following serologic blood tests would most confirm the suspected diagnosis? - anti-glomerular basement membrane antibodies- anti-mitochondrial antibodies- anti-neutrophilic antibodies- anti-parietal cell antibodies- anti-smooth muscle antibodies

Which of these statements is a myth