Question continuation;
..........type B. Type A is found to be more common in the mainland population from which the island was settled.
How could a geneticist best explain the dominance of blood type B in the island population?
Multiple choices;
A. Random mutations have occurred in the island population.
B. Genetic drift has reduced the frequency of type A individuals.
C. Natural selection has only occurred in the mainland population.
D. Environmental conditions on the island are less favorable for type B individuals.
Answer;
B. Genetic drift has reduced the frequency of type A individuals.
Explanation;
-Genetic drift is a mechanism of evolution in which allele frequencies of a population change over generations due to chance.
-It occurs in all populations of non-infinite size, but its effects are strongest in small populations.
Answer:
Option (A).
Explanation:
Gym or exercise is important for all the individual to stay fit and healthy. Regular exercises in gym reduce the chances of heart attack and also control the obesity problem.
The gym should be located in well developed area free from any pollution and safety is the most important in any gym. The equipment used in gym must be of best quality and the trainers should explain each and every exercise necessary for the individual. The room temperature should be well maintained and properly ventilated.
Thus, the correct answer is option (A).
Answer;
Rabies and Ebola
Explanation;
Rabies and Ebola are the two viruses that infect all the vertebrates included in the interactive.
-Ebola is a virus that cause Ebola hemorrhagic fever that is a viral hemorrhagic fever of humans and other primates. Rabies virus causes rabies in humans and animals, which is a viral infection that mainly spreads through a bite from an infected animal.
I believe the correct answer from the choices listed above is the last option. The lymph <span>nodes that can be palpated when they're normal size are </span><span> inguinal and popliteal. Hope this answers the question. Have a nice day.</span>