There is a sex-linked recessive trait in our world that makes skin blue instead of green. It is found on
the X chromosome. We know we'd like Grelaf to have a
child, but we're trying to determine the probability
of having a boy with green skin with Briyah versus any
child with blue skin with Amalena.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

oxygen +1 most likely

what in the weirdo : o

sorry to break it to ya but no one can answer your question it's just

jk but i am serious about the part that most people cant answer it beacuse you did not mention the section you are talking about. but it would if you added some detail and were a bit more specific.