If the map distance between genes A and B is 20 map units and the map distance between genes B and C is 35 map units, what is the map distance between genes A and C?
A) 15 map units
B) 55 map units
C) More information is needed to distinguish between 15 and 55 map units.
D) Gene C must be located on a different nonhomologous chromosome.
C) More information is needed to distinguish between 15 and 55 map units.
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Scientists discovered that the primary reason leaves either develop as simple or compound is related to:
A. whether the KNOX gene is active or not active B. where the leaf primordium is positioned C. whether auxins are moving in the stem tip D. how fast the KNOX gene arrives at the primordium E. the protein PHANTASTICA and its interaction with auxins
The circulatory surface provides the interface between the body and the respiratory medium
Indicate whether the statement is true or false.
What effect will dissolving salt in a solution have?
a. The solution will become hypotonic. b. The salt will evaporate, leaving only liquid behind. c. The solution’s osmolarity will increase. d. The solution’s osmolarity will decrease.
Vertebrates have which of the following
characteristics? a. endoskeleton b. vertebral column c. well-developed organs d. larger brains e. all of these