question 1\n1 pts\nbecause of johann gregor mendels work the fundamentals of genetics have been revealed…

Brief Explanations:

Genetics is the study of heredity, which involves how traits are passed from parents to offspring. Mendel's work with garden peas (a model organism) was crucial in understanding hereditary patterns. Biology is a broader field, and chromosomes are structures related to heredity but not the focus of what genetics as a whole studies.

Answer:

Heredity