1. Which of the following would provide the best evidence that genetic factors influence the growth of plants? *
A Seeds from several different plants are planted under identical conditions and found
to grow at similar rates.
B Several seeds from one single parent plant are planted under a variety of conditions
and found to grow at similar rates.
C Several seeds from one single parent plant are planted under a variety of conditions
and found to grow at different rates,
D Seeds from several different plants are planted under identical conditions and
found to grow at different rates.