a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behavior or physiology of others of its species.
Answer: Interventional Study
Explanation: When a treatment group is compared to standard (control) group it is called Interventional Study
Answer:
the left handedness was a recessive trait and skipped one or maybe multiple generations
Explanation:
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The answer is; B
Meristem cells are totipotent meaning they can differentiate to any type of plant cells. Therefore they can produce a variety of plant type depending on epigenetic. However, tissue culture is derived from already differentiated cells. Therefore these cells are already determined and can only produce cell type of that plant from which they were derived.
