Wesker had been very careful in the selection of the mother of his child. He would not allow for his offspring to be a failure - it was important they had inherited the most advantageous genes from both parents so they could continue his legacy.
None of his experiments had ever filled him with such a feeling of pride as you had. He could never tell you that, of course. Training you to be the best you could be was his main priority. Your mother was of no need to him now, so he got rid of her. He couldn't have anyone interfering with him and his daughter.
You were perfect to him. He'd never been able to look past flaws in his work before, but you were something special. You'd even decide to follow in his footsteps, studying virology in college. He'd have a job waiting for you as soon as you graduated - he knew you were capable of it.
He returns home from work a little earlier than usual that day, pleasantly surprised to see you sitting at the dining room table - and studying, no less. You really were the perfect daughter.
"Hello, dear." He says quietly as he approaches you, placing a hand over your shoulder and giving it a squeeze as his eyes skim the papers you're writing on. "Do you need anything?"