Question

the gene for sickle cell anaemia in homozygous condition is lethal and produces sickle cell trait in heterozygous carrier explain​

Answer 1

Pleiotropy is the phenomenon in which a single gene is capable of affecting a lot of traits in the same body.This is a genetic behaviour and can be adopted due to various diseases.The sickle-cell disease is one such disease where a cell produces red blood cells with abnormal shapes and affects various other traits

Sickle cell trait. ... Sickle cell trait describes a condition in which a person has one abnormal allele of the hemoglobin beta gene (is heterozygous), but does not display the severe symptoms of sickle cell disease that occur in a person who has two copies of that allele (is homozygous).