this bit in your functions.php file will force specific settings for robots post meta. Change 'post' to a specific post type or replace with other conditional.

force_default_genesis_post_meta.php

<?php
/**
 *
 * Force Default Robot Options on Post Type ('post' in this case)
 * 
 * @author: Joshua Nelson
 * @link: http://joshuadnelson.com
 * 
 */

add_filter( 'get_post_metadata', 'jdn_robot_defaults', 10, 4 );
function jdn_robot_defaults( $meta_value, $post_id, $meta_key, $single ) {
	if( get_post_type( $post_id ) == 'post' ) {
		if( '_genesis_noindex' == $meta_key ) // set checkbox
			$meta_value = 1;
		if( '_genesis_nofollow' == $meta_key ) // set checkbox
			$meta_value = 1;
		if( '_genesis_noarchive' == $meta_key ) // set checkbox
			$meta_value = 1;
	}
	return $meta_value;
}