<%@ page language="java" contentType="text/html" %> <%@ include file="/securityNoLog.jsp" %> <%@ taglib uri="/WEB-INF/tlds/vgTaglib.xml" prefix="vg" %> It appears that some of the parental traits disappear in the F1. Have they really vanished or are they present in some latent form? An obvious approach is to determine whether the F1 organisms breed true. Cross two F1s (or do a F1 self-cross) and examine the F2s. Do they all have the same phenotype?