Answer:
B. a decrease in vegetation.
Explanation:
For exclusion:
Cannot increase the vegetation.
And increase the soil erosion.
And decrease the quality of air.
Having two copies of the mutated genes cause sickle cell anemia, but having just one copy does not, and can actually protect against malaria - an example of how mutations are sometimes beneficial.
The majority of mutations have neither negative nor positive effects on the organism in which they occur. These mutations are called neutral mutations. Examples include silent point mutations. They are neutral because they do not change the amino acids in the proteins they encode.
Hope this helped :)
Answer:
Real dinosaurs can not be studied because they died out many years ago. so this is how we are learning about the past
Explanation:
Answer:
What contains genes that are the instructions for making proteins
Explanation:
The DNA code contains instructions needed to make the proteins and molecules essential for our growth, development and health. DNA? provides instructions for making proteins