Answer:
Option A, C and D
Explanation:
Mutations can be beneficial and call also not be beneficial. Examples of beneficial mutation includes laptop tolerance, HIV resistance etc. This mutations occur as changes in the nucleic acid sequences (DNA; which is made up of the four nitrogenous bases, deoxy/ribose sugar and phosphate group. Changes in these bases can bring about mutations that are beneficial) of organism and also it depends on where in the genetic code they occur. Beneficiary mutations can bring about increased fitness of the organisms involved.
The correct answer would be D. Sepals and Petals.
Answer:
Something that is not real is a model
Explanation:
For example a skelton model a sekelton model is not an actual real bone skelton it is a plastic skelton.
There are 3 nitrogen bases in mRNA
The answer is C.Macroevolution
