Show full content for posts in category archive page of a specific category in Genesis. Details: http://sridharkatakam.com/display-full-content-category-pages-selected-categories-genesis/

functions.php

<?php

add_action( 'genesis_before_loop', 'sk_full_content_specific_category' );

function sk_full_content_specific_category() {
  if (is_category('featured')) {
		// remove_action( 'genesis_post_content', 'genesis_do_post_content' ); /* Pre-HTML5 */
		remove_action( 'genesis_entry_content', 'genesis_do_post_content' ); /* HTML5 */

		// add_action( 'genesis_post_content', 'sk_do_post_content' ); /* Pre-HTML5 */
		add_action( 'genesis_entry_content', 'sk_do_post_content' ); /* HTML5 */
	}
}

function sk_do_post_content() {
	the_content();
}