Question

Dr. Cho wants to know if differences in the growth rate of fish are based on genetics or the environment. He buys two fish. Fish 1 is fed everyday, while fish 2 is fed every other day. At the end of a month, fish 1 is nearly 15 percent larger than fish 2. Considering the fish have a nearly identical genetic makeup, what can Dr. Cho conclude?A) Environmental changes can account for all the differences in growth rate.B) Genetic influences must account for a majority of the differences in growth rate.C) Environmental conditions were more favorable for fish 2.D) Differences in growth rate cannot be determined by his simple experiment.

Answer 1

Answer:

Option A

Explanation:

The difference in amount of food consumed is considered an environmental factor and it has an effect on the growth rate as seen in the question.