B. The existence of homologous structures
If you want me to go more in-depth just message me :)
It contains DNA and controls the cell.
mark me brainliest
Answer:
every pair in the sequence after that pair would be affected, it might result in a mutation
“Matter is cycles in an ecosystem” -that’s what it means it is what it is. Thank me later
Hi!
The answer is B. chloroplast because prokaryotic cells don't have contractile vacuoles, DNA, or a nucleus.
Hope this helps! :))<span />