Both Erica and Liza Wind were morbidly concerned with heredity, and instead of delighting in Victor's artistic genius, they used to worry gloomily about its genetic cause.
Erica and Liza Wind exhibited an intense fixation on heredity, which overshadowed their appreciation for their son Victor's artistic talents. Rather than celebrating his creativity, they became preoccupied with the potential genetic factors that shaped his genius.
This prevailing concern illustrates their inability to enjoy the positive aspects of Victor's abilities. Instead of fostering joy from his accomplishments, the Winds were consumed by anxiety over the implications of his hereditary traits in relation to his artistic expression.