Answer:
Hair isn't fully determined by genetics.
Explanation:
Your hair is usually determined by genes,however there are outside factors such as medicine,hormones,weather,chemicals such as hair relaxers which can effect your or your parents' hair texture. For some people hair texture also changes with age meaning your parents possibly had straight hair when they were younger but due to outside factors it changed.
Post dramatic stress disorder
Well no-one really know's but my perception of life is all a big lesson for what will be in the afterlife.
