Polygenic inheritance is often modified by ____
a. the environment
b. gene blending
c. epistasis
d. dihybrid crosses
e. pleiotropy
ANSWER: a
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Which statement about the domain Archaea is true?
A) Genetic prospecting has recently revealed the existence of many previously unknown archaean species. B) The genomes of archaeans are unique, containing no genes that originated within bacteria. C) No archaeans can inhabit solutions that are nearly 30% salt. D) No archaeans are adapted to waters with temperatures above the boiling point.
Respond to the following statements with reference to the five biomes listed below.
A. In this biome you would expect to find soggy masses of vegetation which has not decayed. B. This biome has mild, wet winters and hot, dry summers, with fire-adapted plants. C. This biome is characterized by a crust comprising cyanobacteria, lichen, mosses, and fungi. D. In this biome you could find a black spruce. E. This biome would be most likely to have a black oak.
Design an experiment to compare the effectiveness of a physical and a chemical method of disinfection
What will be an ideal response?
Cat scratch disease is caused by Bartonella (bacilliformis/henselae/quintana).
Fill in the blank(s) with the appropriate word(s).