Question

How many among the following organisms hve linear ds DNA as their genetic material?
Homo sapiens, Escherichia coil, Drosophila, $\varphi \times 174$ bacteriophage

• A. $1$
• B. $4$
• C. $3$
• D. $2$

Answer 1

The correct option is B $4$

All eukaryotes have double-stranded DNA which is linear.

Also, Bacteriophage and E. coli have ds DNA.

So, the correct option is '4'.