The correct option is A.
The DNA from one specie differ from the DNA of another specie on the basis of their base ratio. The base ratio refers to the percentage of purine to pyrimidine in a DNA molecule. The base ratio is the one that is responsible for the variability that is observed in chromosomes from different species.
Answer:
its A
Explanation:
Its impossible for a human to have a heart beat of 94 each minute
Answer:
2-Every individual in a species of wolf is killed by hunters or lack of food.
Explanation: