Avoiding unnecessary objection and having respect towards each other.
Explanation:
Avoiding unnecessary objection and having respect towards each other are the two ethical guidelines regarding professional courtesy among forensic scientists. Unnecessary objection towards each other leads to conflict. If there is conflicts among forensic scientists, so it directly affect the cooperation and investigation will not be accomplished. so for cooperation, avoiding unnecessary objection respect towards each other is necessary.
1. heterozygous 2. fact because the color is passed down from the parents 3. This can happen because the trait is recessive and not dominate 4. A 5.A (i think) 6. traits are passed on through genes
