The ABO blood groups in humans are determined by a multiple-allele system in which IA and IB are codominant and are both dominant to IO. A newborn infant is type A. The mother is type O. Possible phenotypes of the father are
a. A, B, or AB.
b. A, B, or O.
c. O only.
d. A or AB.
e. A or O.
Ans: d. A or AB.
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What is the main difference between a virulent bacteriophage and a temperate bacteriophage?
What will be an ideal response?
Most plant cells are pluripotent, meaning that they
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Which of the following bacteria poses a higher risk of exposure to a person involved in a car accident?
A) Clostridium tetani B) Streptococcus pyogenes C) Escherichia coli D) Corynebacterium Diphtheriae E) Mycobacterium tuberculosis