Fruit flies share 75% of the genes that cause diseases with humans, so scientists can learn about human genetics by studying fruit fly genetics.
Answer:
Some mutagens strip DNA nucleotides (bases) of essential modifications—for example, they deaminate the bases—such that these bases resemble different nucleotides and confuse the DNA replication machinery. Subsequent rounds of DNA replication then permanently incorporate such changes.
Explanation:
The structures that provides the muscle cells in the heart with a constant supply of oxygen is C . coronary
Independent- the variable that is manipulative,, responding- affect the outcome of the experiment ,,, controlled -held at a constant ,,,confounding- unintended effect