Question GCA variance have positive association with
1. Narrow sense heritability
2. Adaptability
3. Hybrid Vigor
4. All of these
The correct answer is (1)

Warning: include(../bars/sidebar.php): failed to open stream: No such file or directory in /home/shopingc/theinfobia.com/question.php on line 74

Warning: include(): Failed opening '../bars/sidebar.php' for inclusion (include_path='.:/opt/alt/php74/usr/share/pear') in /home/shopingc/theinfobia.com/question.php on line 74

Warning: include(../inc/footer.php): failed to open stream: No such file or directory in /home/shopingc/theinfobia.com/question.php on line 79

Warning: include(): Failed opening '../inc/footer.php' for inclusion (include_path='.:/opt/alt/php74/usr/share/pear') in /home/shopingc/theinfobia.com/question.php on line 79