Although the law of independent assortment is generally applicable, when two loci are located physically close to each other on the same chromosome, the phenotypes of the offspring sometimes do not fit the phenotypes predicted. This is due to
A) inversions.
B) translation.
C) chromosome exchange.
D) chromatid abnormalities.
E) linkage.
E
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Nutrient absorption is mediated by the ________.
A. cell membrane B. nuclear membrane C. proteins in the periplasmic space D. peptidoglycan layer E. cell wall
Each of the following statements is true about the nicotinic acetylcholine receptor except
A) the actions of acetylcholine can be mimicked by nicotine. B) it binds one molecule of acetylcholine for activity. C) the open channel allows an influx of sodium ions. D) biochemical purification was aided by the use of cobratoxin. E) it is made up of five large subunits.
What would one call an organism that receives foreign DNA from a different species through genetic manipulation?
What will be an ideal response?
The emergence of our ancestors' use of fire occurs around 1.8 million years ago
a. true b. false