An endemic species occurs in ___________ geographical area(s).
Fill in the blank(s) with the appropriate word(s).
One
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In Drosophila melanogaster the allele for red eyes is dominant over the allele for purple eyes, and the
allele for a gray body is dominant over the allele for a black body. A testcross was done to check for genetic linkage between the genes for these traits, with the following results for the offspring:478 flies with red eyes and a black body 27 flies with red eyes and a gray body 462 flies with purple eyes and a gray body 33 flies with purple eyes and a black body Which of the choices below best represents the map distance between the genes for these two traits?
a. 50.0 map units b. 30.0 map units c. 47.0 map units d. 27.0 map units e. 6.0 map units
________ and ________ microbiology investigates the spoilage of products for human consumption and the use of microorganisms in the production of cheese, yogurt, pickles, beer, and the like.
Fill in the blank(s) with the appropriate word(s).
The scientist who published On the Origin of Species by Means of Natural Selection in 1859 was
A. Georges-Louis Buffon. B. Charles Darwin. C. Charles Lyell. D. James Hutton. E. Jean Lamarck.
The chemical 5-bromouracil mimics the chemical structure of thymine, making it a(n) (analog/nucleotide/precursor) of thymine.
Fill in the blank(s) with the appropriate word(s).