Answer:
a human and a fish also bacterium
Explanation:
Answer:
"The smallpox vaccine does not contain smallpox virus and cannot spread or cause smallpox. However, the vaccine does contain another virus called vaccinia which is live in the vaccine. Because the virus is alive, it can spread to other parts of the body or to other people from the vaccine site."
[Copy and pasted from a medical website]
<span>Gene expression would be the answer.</span>
Answer:
Imagine that to be able to roll your tongue you need two genes, A and B. For each of There is a certain dominant version for each of these genes that lets you roll your tongue. cannot roll their tongue would have a tongue roller for a child. Another example is something called a modifier gene
