2: Once you take an actual genetics class you'll know it's often far more complicated that.
3: What makes you think the gene is recessive? Because OR6A2, the cilantro gene, is actually "dominant," though other factors can suppress its expression in this matter. See point #2. Who knows what this theoretical grapefruit gene is...
Uh
Hmm
Does the mailman like grapefruit?
How do you not know how recessive genes work?
1: It's called a joke.
2: Once you take an actual genetics class you'll know it's often far more complicated that.
3: What makes you think the gene is recessive? Because OR6A2, the cilantro gene, is actually "dominant," though other factors can suppress its expression in this matter. See point #2. Who knows what this theoretical grapefruit gene is...