I believe you're talking about a population.
I would have to say (D.) if it's been 150 years.
Answer:
c.
Explanation:
They work by killing the bacteria or slowing down its growth, they achieve this by attacking places like the wall or coating the surrounding bacteria.
tandem repeat is a microsatellite with repeat units that are 2 to 7 base pairs in length, with the number of repeats varying among individuals, making STRs effective for human identification purposes
Explanation:
