It is the fraction of all chromosomes in the population that carry that allele.
Answer:
The correct answer is option a. young adult.
Explanation:
Epstein-carr virus infects in the patient or people with weak immune system groups. Epstein-carr virus causes a different type of disease and also said to cause cancer. These viruses are common in childhood or early adults or weakened the immune system by the disease like HIV/aids. In young adults, symptoms are not visible by these viruses.
Thus, the correct answer is option A. young adult.
Chloroplast and mitochondria. Only mitochondria is an animal.
Animals take in oxygen and release it as Carbon dioxide
