The Primary Reason for Hybrid Sterility Is ____

Multiple Choice

The primary reason for hybrid sterility is ____.

A) the inability of the hybrid to attract a mate
B) the difficulty in finding a suitable habitat in which to survive
C) that the hybrids are usually weak and have difficulty surviving to reproductive maturity
D) that hybrids cannot produce viable gametes
E) the inability of the hybrid to develop an appropriate courtship pattern