Answer:
The correct answer is genetic drift.
Explanation:
The phenomenon of changing the frequency of an allele in a specific population with time is known as genetic drift. The mentioned gene variation or the modification in the frequency of the allele is required to take place abruptly so that the phenomenon of genetic drift can take place. The environmental factors do not play an essential role in the phenomenon of genetic drift to take place.
The process of genetic drift occurs generally due to random sampling of organisms, it illustrates the random change in the number of gene variants within a population. When the existence of the different forms of a gene, that is, alleles, enhances or reduces by chance with time within a population, the phenomenon of genetic drift occurs. Thus, the mentioned case is an illustration of genetic drift.
Correct answer: Differentiation
The stem cell is the group of unspecialized cells that become specialized cell by the process called as differentiation. These cells have the great potential to develop into many different types of cell in the body.
These cells divide regularly and help the body to repair and maintain the dead and damaged tissue of the body. because of the differentiation process, the unspecialized cell is able to acquire the cellular traits that allow them to perform a specialized function.
Hence, the correct answer would be ''Differentiation''
Iodine test is the answer if im not mistaken
White blood cells protect you against illness and disease. so Protect against pathogens