The phenotypes and genotypes that result from a cross of Aa and aa (A = normal
pigmentation and a = albinism) are
A) phenotypes-all normal; genotypes-50% heterozygous and 50% homozygous
recessive.
B) phenotypes-all albino; genotypes-50% heterozygous and 50% homozygous
recessive.
C) phenotypes-50% normal and 50% albino; genotypes-50% heterozygous and 50%
homozygous recessive.
D) phenotypes-all albino; genotypes-all homozygous recessive.
C
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The body build that is slight with a long, narrow, and shallow thorax that is wider more superiorly is ___________________.
Fill in the blank(s) with the appropriate word(s).
Functions of the stomach
What will be an ideal response?
Which of the following events is NOT a characteristic of an action potential?
A. The plasma membrane becomes highly permeable to sodium ions and depolarization results. B. As sodium ions enter, the inside of the plasma membrane becomes more negative. C. At the peak of depolarization, sodium channels begin to close and potassium channels open. D. In repolarization, potassium ions flow out of the cell. E. Action potentials occur according to the all-or-none principle.
Henry has a thrombus just beyond where the vertebral arteries join on the base of the pons. Which vessel is affected?
A. dural sinuses B. basilar artery C. cranial artery D. None of the choices are correct.