Answer:
Option B, C, D and E
Explanation:
While conducting research on human being, following conditions must be fulfilled
a) The subject must be made aware of the risk and result of the study
b) Subject must be aware of the study objective, time duration and post study impacts
c) Subject must be compensated for any injury caused during the study
d) Informed consent must be taken from the subject
e) The subject must beware of the possible uncontrollable scenarios. Also the test conducted must be testifiable on human being
f) The ill effects of the study can be anticipated if the result obtained are worthy enough
Considering the above facts, option B , C, D and E are unavoidable
Phenotypes are the physical makeup of a living thing and genotypes are the genetic makeup of the living thing
Answer:
frequency of the blue (B) allele 
frequency of the red (R) allele 
The number of blue plants expected is 
The number of red plants expected is 
The anticipated number of violet plants is 
Calculated chi square value
Explanation:
Frequency of blue allele is
Frequency of blue allele is equal to sum of frequency of BB and half of frequency of BR

Frequency of other allele

Chi Square test
See the attached file
The number of blue plants expected is 
The number of red plants expected is 
The anticipated number of violet plants is 
Calculated chi square value
In one of the studies of about rats in Easter Island, it was believed that rats were the reason for the decrease of palm trees.
According to a system framework study, there are relationships between the birth and death of people with the rats and the palm trees. It explains that peoples' population in Easter island has a relationship with rats and palm trees in the area.
<span>The number of palm trees decreases because of the increased number of rats that eats its fruits. Seed germination became frequently interfered because of this activity.
</span><span>However, the slow growth of palm trees was also blamed for the tree cutting off the people.</span>
The condition of being physically fit and active