Question 23M.1A.SL.TZ1.34
| Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.1A.SL.TZ1.34 |
| Level | SL | Paper | 1A | Time zone | TZ1 |
| Command term | Question number | 34 | Adapted from | N/A |
A total of 271 164 people were tested for blood groups in Mexico. The pie chart summarizes the ABO blood group distribution.
[Source: Canizalez-Román, A. et al., 2018. Blood Groups Distribution and Gene Diversity
of the ABO and Rh (D) Loci in the Mexican Population.
BioMed Research International, (Article ID 1925619).
http://dx.doi.org/10.1155/2018/1925619. Public domain.]
What can be concluded from the ABO blood group distribution in Mexico?
A. Allele frequencies are not the same for all blood group alleles.
B. The majority of the Mexican population shows a co-dominant phenotype.
C. Most of the Mexican population can receive blood from all blood groups.
D. Only 2 % of the Mexican population have a heterozygous genotype for blood groups.
[1]
A