Ashton is a crime scene investigator. he ensures that all the evidence gathered at the scene is properly handled and labeled. what is ashton protecting?

Explained

Explanation:

Ashton is a crime scene investigator so tries to ensure that DNA in any form remain intact from any  foreign activity.He might looking for some Blood samples and  finger print or hair strands of criminal in order to get the clue from them .

DNA of any person is unique so it will be easier for investigator to identify the criminal .

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.