Plant cells have and animals do not have cell walls <span />
Answer:
Explanation:
They discovered that the difference between lactose tolerant/persistence and intolerant individuals was due to a mutation located in another neighbouring gene that controls its persistence.
This gene is the MCM6 gene. This gene affects lactase promoter activity likely causing lactase persistence. It is located in a regulatory region upstream of the lactase (LCT) gene.
The statement one support of the behavioral perspective is that it is backed by strong and extensive research is definitely true.
<h3>What do you mean by Behavioral perspective?</h3>
Behavioral perspective may be defined as the process of all acting throughout life as a result of some form of motivation or incentive.
The behavioral perspective always deals with the behavior of an individual with respect to any stimulus, which may be directly or indirectly associated with that individual.
Therefore, statement one support of the behavioral perspective is that it is backed by strong and extensive research is definitely true.
To learn more about the Behavioral perspective, refer to the link;
brainly.com/question/1351228
