NEET BIOLOGY

GENETICS AND EVOLUTION

GENETIC BASIS OF INHERITANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Proteins on the surface of red blood cells that if unrecognized, can cause your immune system to produce antibodies against them, are called:
A
genomes
B
epistatic
C
alleles
D
antigens
Explanation: 

Detailed explanation-1: -Kell antigens are a group of red blood cell antigens that can trigger a strong immune response if you don’t have Kell antigens in your own blood. In most cases, Kell RBC antibodies develop over time after exposure through several blood transfusions.

Detailed explanation-2: -The surface of the human red blood cell is dominated by a small number of abundant blood group active proteins. The major proteins are the anion transport protein (band 3) which has AB(H) activity, and Glycophorin A which has MN activity.

Detailed explanation-3: -Antibodies are protective proteins produced by your immune system. They attach to antigens (foreign substances)-such as bacteria, fungi, viruses and toxins-and remove them from your body.

Detailed explanation-4: -Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria. Nonliving substances such as toxins, chemicals, drugs, and foreign particles (such as a splinter) can also be antigens. The immune system recognizes and destroys, or tries to destroy, substances that contain antigens.

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