Choose the incorrect option $-$

Assertion : In recombinant $DNA$ technology,human genes are often transferred into bacteria (prokaryotes) or yeast (eukaryote).
Reason : Both bacteria and yeast multiply very fast to form huge population,which express the desired gene.

Biotechnology is the modern branch of biology which deals with

An antibiotic resistance gene in a vector helps in the selection of:

Read the following statements carefully and select the correct option $:-$
$(A)$ Source of the restriction enzyme Hind $II$ is Haemophilus influenzae.
$(B)$ If any protein encoding gene is expressed in a heterologous host,it is called as recombinant protein.
$(C)$ Microinjection method for injecting foreign gene is used for animal cell.
$(D)$ $\text{DNA}$ primers are chemically synthesized oligonucleotides that are complementary to the regions of $\text{DNA}$ in $\text{PCR}$.
How many of the above statements are correct?

Which of the following is correctly matched?