A deficiency of vitamin C can result in ____
a. anemia
b. beriberi
c. night blindness
d. rickets
e. scurvy
ANSWER: e
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The inheritance of human traits is predictable because the genes controlling them exhibit the principles of both ____________________ and ____________________ during meiosis
Fill in the blank(s) with correct word
The animal in the photograph above is
a. a heterotherm. b. a endotherm. c. a ectotherm. d. a ectotherm during the day and endotherm at night. e. none of these.
Monterey cypress trees grow along the coast of California with most of their branches clustered on one side of the tree, pointing away from the sea. If a monterey cypress seed is germinated more than 50 miles inland, the tree grows up with a symmetric distribution of branches, just like other evergreens. This scenario demonstrates which statement about genetics?
a. The windblown shape seen in coastal trees is obviously caused by polygenic inheritance. b. The windblown shape seen in coastal trees is obviously determined by their genotypes. c. The windblown shape seen in coastal trees is a result of environmental conditions, not their genes. d. Both the first and second choices are true. e. None of the above.
Describe three genetic mechanisms whereby proto-oncogenes can become overexpressed
What will be an ideal response?