What is it called when two forms of a trait are both dominant at the same time?

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?