Microbes that naturally live within mammalian hosts are
a. psychrotolerant.
b. mesophiles.
c. thermophiles.
d. xerophiles.
Answer: B
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Which of the following is NOT a desirable characteristic of a model organism used to study development?
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What will be an ideal response?
The genes for mahogany eyes and ebony body are approximately 25 map units apart on chromosome III in Drosophila
Assume that a mahogany-eyed female was mated to an ebony-bodied male and that the resulting F1 phenotypically wild-type females were mated to mahogany, ebony males. Of 1000 offspring, what would be the expected phenotypes, and in what numbers would they be expected?