Advertisements
Advertisements
प्रश्न
What is the genotype and phenotype of a carrier of sickle-cell anaemia?
विकल्प
HbA HbS; Severe anaemia, sickle-shaped RBCs
HbS HbS; Severe anaemia, sickle-shaped RBCs
HbA HbA; Normal RBCs
HbA HbS; Mostly normal, mild anaemia under stress
MCQ
Advertisements
उत्तर
An individual with genotype HbA HbS is a carrier of sickle-cell trait. The phenotype shows mostly normal red blood cells with only mild anaemia under stress conditions. This heterozygous state provides some protection against malaria while avoiding the severe symptoms of the homozygous sickle-cell disease.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
