Allopatric speciation requires:
a. complete geographic isolation. c. overlapping distributions.
b. abutting distributions. d. differences in phenology.
A
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Barr bodies are associated with ________.
A. signal transduction B. proto-oncogenes C. frameshift mutations D. X chromosome inactivation
Which of the following best describes aerobic respiration?
A. The production of ATP from glucose in the presence of oxygen B. The production of pyruvate in the absence of oxygen C. The production of pyruvate using energy from the sun D. The production of ATP from glucose in the absence of oxygen
What is the most likely explanation for the occurrence of an X-linked genetic disorder in the boy at the bottom of the pedigree shown?
A) The boy inherited this allele from his father only.
B) The boy inherited this allele from his mother only.
C) The boy inherited the kind of allele that skips every other generation.
D) The boy has a new mutation for the disorder.
Health care providers determine the specific allergen that is generating symptoms by using a blood test to look at ________ levels
A) IgA B) IgE C) IgG D) IgD E) IgM