The presences of different genes for several types of hemoglobin in mammals, but not in sharks and
many other vertebrates, is evidence of ____ of genetic material.
a. an inversion
b. duplication
c. reciprocal translocation
d. deletion
e. both duplication and deletion
B
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Which of the following has been associated with a form of liver cancer?
A. Human T-cell lymphotropic virus B. Hepatitis A virus C. Human papilloma virus D. Hepatitis B virus
AGAMOUS is a gene that has been implicated in the regulation of stamen formation in Arabidopsis flowers. If this is true, a mutant with a functional AP3 gene but a nonfunctional AGAMOUS gene would
A. produce petals but not stamens. B. produce stamens but not petals. C. produce petals and stamens. D. not produce stamens or petals. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about the evolution of flower development genes? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which antibodies cross the placenta and protect the fetus?
A. IgA B. IgG C. IgM D. IgD
The pituitary gland is controlled by the:
a. pineal gland b. pancreas c. medulla d. thalamus e. hypothalamus