In a two-point test-cross analysis, a dihybrid F1 fly is crossed to a __________
A) pure-breeding mate with a dominant phenotype (AABB)
B) pure-breeding mate with a recessive phenotype (aabb)
C) heterozygote mate (AaBb)
D) mate that is dominant for one gene and recessive for the other (AAbb or aaBB)
E) second dihybrid F1 fly (sibling cross)
B
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The molecular weights of a nucleic acid and an amino acid are approximately the same.
Answer the following statement true (T) or false (F)
What is the Aristotle's lantern? a. A sensory organ for light
b. A visual sensor. c. A chewing structure. d. A specialized tube for locomotion.
The generally accepted explanation for the movement of organic compounds in phloem is ____
a. the cohesion-tension theory b. the pressure flow theory c. active transport d. the transpiration-pull theory e. root pressure
Which sequence reflects the locations that a secretory protein will visit on its way from its production to its secretion outside the cell?
A) rough ER, secretory vesicle, Golgi complex, ER vesicle B) rough ER, Golgi complex, smooth ER, ER vesicle C) nucleus, Golgi complex, rough or smooth ER, secretory vesicle D) smooth ER, rough ER, Golgi complex, secretory vesicle E) rough ER, ER vesicle, Golgi complex, secretory vesicle