What is it called when a bacterium uses a virus to transfer its dna to another bacterium?

How many cells are our body made of ? ♡

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations