PATHOLOGY

PATHOLOGY MCQ

GENETICS AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A person with Type A blood most likely has which genotype?
A
IAIA only
B
IAi only
C
IAIB only
D
]IAIA or IAi
Explanation: 

Detailed explanation-1: -The human ABO blood group is controlled by a single autosomal gene with three alleles, IA, IB and i. Individuals with either the IAIA or IAi genotypes have blood type A. Those with IBIB or IBi have blood type B. Those with IAIB have blood type AB, and those with ii have blood type O.

Detailed explanation-2: -Thus people with IAIA or IA i have blood group A and individuals having IBIB or IB i genotype have B blood group. Whereas person having genotype IAIB show phenotype AB and individuals with genotype ii have phenotype O [2].

Detailed explanation-3: -The phenotype type of the genotype blood IAIB is AB.

There is 1 question to complete.