Answer:
- Passive genotype-environment.
Explanation:
'Passive genotype-environment' is demonstrated as the association in a child's gene type which he/she inherits from his/her parents and the surroundings(environment).
As per the question, the given description reflects the 'passive genotype-environment' because Rachel's daughter's behavior mirrors the outcome(becoming an avid reader) of the correlation between the environment she's been provided with by her mother(reflective of Rachel's genetic material) and the genotype she has inherited from her (because Rachel as a mother passes on her genal traits(of reading books) to her daughter).
