Answer:
The correct answer would be "The sticky ends of fragmented DNA are joined with vector DNA".
Recombinant DNA or rDNA refers to the DNA that has been artificially formed by joining the fragments of DNA of two or more species.
The fragments are joined by creating the sticky ends in the DNA fragments.
These sticky ends are complementary to each other which helps the fragments to join to each other.
For example, the sticky end of a gene of interest and the sticky end of the vector DNA joined together to form a recombinant vector.
Answer: Option B is incorrect rest all the statements are correct.
Explanation:
A single trait can be controlled by multiple genes: A single trait can need multiple gene to be controlled. There are many traits in the body which can be controlled by the multiple genes in the body.
A single trait can alter multiple genes: The activity of a single gene can alter the activity of the multiple genes of the body. The faulty protein produced by the gene can also effect the other genes of the body.
A single gene can influence multiple traits: A single gene in the body can affect multiple characters of the body. A single gene can be responsible or eye color, hair color, skin color et cetera.
The answer is C; hundreds of years
