<span>Similarly to cells, viruses can spread and grow, as well as mutate. They can change what they do becoming even more deadly or they can become immune to medicine. They can also spread from cell to cell, then from people to people, change the way they spread as they mutate, and many many other things that are usually bad for humans.</span>
Answer:
This question is incomplete
Explanation:
There is no way to predict what the phenotypic ratio will be if we are not given the genotypes/phenotypes of the previous generation. However the concepts of genetic crossings can be explained.
In genetics, there is often genes controlling a certain characteristic in an organism, and when this organism mates, it passes on its genetic information to its offspring. This information can be mapped and we can predict what the future generation will look like given the genotypes and phenotypes of the generation before.
Answer:
A
Explanation:
DNA polymerase is responsible for adding to the bases of the structure.
A gene is a basic unit of heredity and a sequence of nucleotides in DNA that encodes the synthesis of a gene product, either RNA or protein. For example, if both of your parents have green eyes, you might inherit the trait for green eyes from them.
