Animals that select mates that are phenotypically similar will have _____ when compared with Hardy-Weinberg predictions.
A. fewer homozygotes
B. more homozygotes.
C. less natural selection
D. more mutations
E. more heterozygotes
B. more homozygotes.
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Indicate whether the statement is true or false.
The coronary vessels
a. supply and drain the heart muscle. b. bypass the heart ventricles. c. send blood directly to the lungs. d. are not really necessary because the heart can get its blood supply from the "inside." e. lead directly from the atria to the ventricles.
Which cell migrates to the thymus gland to mature?
A. mast cell B. B cell C. T cell D. monocyte E. natural killer cell
If independent assortment did not occur, which of the following would be true?
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