there is a possibility. study is needed. but must be very careful.
if you deny it without any scientific reason or proof, it absolutely is very wrong.
different species have their own instinct tendency in their characteristics, including their emotion and like/dislike.
I guess for human beings, certain characteristics are brought by born.
different heman species (white/block/yellow) have their longs/shorts respectively, why moral can not be partly build in.
of course social envrionment will impress on them, but I suspect 100%.
加学者重大发现:人的基因决定42%善恶