Question

What combination of genes of sickle cell anaemia is lenthal ?

Answer 1

Sickle cell anemia is a lethal condition that threatens life. However, there may be a selective advantage to being a sickle cell carrier (trait) if the person resides in an area of the world where malaria is very common.

Sickle cell disease involves the red blood cells, or hemoglobin, and their ability to carry .Infants and young children are at risk for life-threatening infections.

Answer 2

Explanation:

Recessive lethal genes can code for either dominant or recessive traits, but they do not actually cause death unless an organism carries two copies of the lethal allele. Examples of human diseases caused by recessive lethal alleles include cystic fibrosis, sickle-cell anemia, and achondroplasia.