What are genes? How do they relate to traits in people?

1. A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins.

2. Genes carry the information that determines your traits , which are features or characteristics that are passed on to you or inherited from your parents.

Genes carry the information that determines your traits (say: trates), which are features or characteristics that are passed on to you — or inherited — from your parents.

Explanation:

As far as why kids are sometimes exactly like or nothing like their parents, Bressette says studies show that personality traits can be inherited. “There are five traits that have a link to personality: extraversion, neuroticism, agreeableness, conscientiousness and openness.”

the narrator is saying that the old lady made her feel uncomfortable. you know this because they say "i found that rather irksome", "perhaps it was her being so upright and trim", and "i don't think it was that, because i thought that quaintly pleasant." hope this !