Answer:
I guess the ans is eyesight
Explanation:
hope it helps
In cell biology, the word Queue describes the long arm of a chromosome.
The long arm of a chromosome is termed the q arm. All human chromosomes have two arms; the p arm which is the short arm and the q arm which is the long arm. The two are separated from each other only by primary constriction at the center called the centromere, the point at which the chromosomes is attached to the spindle fibers during cell division.
Answer;
D. controlled
An experiment in which only one variable is changed is a controlled experiment.
Explanation;
-A control experiment is an experiment where the researcher only changes one variable at a time in order to isolate the results.
In a controlled experiment, most conditions are constrained so that they do not change. One or two other conditions are then changed and measured by the experimenter. These are known as the independent variables.
For example; An experiment where all subjects involved in the experiment are treated exactly the same except for one deviation.
