10 Questions
What is the primary function of the enzyme encoded by the I gene in determining ABO blood type?
Attaching a different molecule to the sugar chain protruding from RBC cell membrane
Which of the following is an example of a phenocopy?
A child developing AIDS due to environmental factors
What is the role of the H gene in determining ABO blood type?
Encoding an enzyme that attaches fucose to a protein in the cell membrane
How many alleles are associated with the I gene?
3
What is the function of the L gene (Lewis) in determining ABO blood type?
Encoding an enzyme that adds 4 monosaccharides to the sugar fucose
Which of the following genes determines the Rh blood type antigen?
C, D, and E genes
What is the consequence of the I gene having 3 alleles (A, B, and i) in determining ABO blood type?
The formation of a combination of antigens
What is the role of the environment in the development of a phenocopy?
Causing the trait to develop through environmental factors
Which of the following is NOT a function of the genes involved in determining ABO blood type?
Forming the DNA molecule
What is the characteristic of the alleles associated with the I gene?
They are codominant
Test your understanding of Mendelian and Non-Mendelian inheritance principles, including genes, alleles, and how they affect phenotypic traits. Learn about dominant and recessive alleles, and how they influence offspring characteristics.
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