____ changes the DNA but has no impact upon
the individual
a. A beneficial mutation
b. A lethal mutation
c. A random mutation
d. A neutral mutation
e. None of these
D
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If an Arabidopsis plant does not express homeotic genes during flower development
A. the plant will only develop to the heart stage. B. the plant will not develop cotyledons. C. the plant will develop leaves instead of flowers. D. the plant will develop flowers instead of leaves. E. the plant will die.
What is a simple way for determining if an annelid is a polychaete or a clitellate?
A. The number of segments B. The amount of chaetae (setae) C. Possession of a closed circulatory system D. The layout of the digestive system
Without SRY expression, an embryo will develop ________:
a. male reproductive structures b. female reproductive structures c. no reproductive structures d. male reproductive structures 50 percent of the time and female reproductive structures 50 percent of the time
The ____ changes during exercise
a. residual volume b. tidal volume c. vital capacity d. lung capacity e. lung volume