<span>It is used to develop the
tree of life and understand relationship between organisms. This study enables scientists comprehend the morphology and behaviour of organism. Its study is also
significant in medicine in understanding the evolution of diseases and hence important
in drug development. </span>
Answer:
46 chromosomes
Explanation:
Humans are diploid organisms i.e. they contain two sets of chromosomes (each set from each parent). Each set is 23 chromosomes, hence, two sets will be 23 pairs or 46 chromosomes. This means that each somatic/body cell will contain 46 individual chromosomes.
According to this question, DNA was extracted from a cheek cell. If one could magnify the extracted material, there would be 46 individual chromosomes from each of these cheek cells, considering that cheek cell is a somatic cell.
The question has not provided any necessary options but the best thing that the nurse should do in verifying the alarm setting on the infusion pump is at the following times;
<span>- </span>As soon as the infusion started
<span>- </span>When the child returns from the X-Ray examination
<span>- </span>It should be started at each shift
The both decrease genetic variation