Use the genesis function to load your entire design with Genesis

single-portfolio.php

<?php
// Single Portfolio Template
// Executive Pro theme
 
//* Force full width content layout
add_filter( 'genesis_pre_get_option_site_layout', '__genesis_return_full_width_content' );

//* Remove the breadcrumb navigation
remove_action( 'genesis_before_loop', 'genesis_do_breadcrumbs' );

//* Remove the post info function
remove_action( 'genesis_entry_header', 'genesis_post_info', 5 );

//* Remove the author box on single posts
remove_action( 'genesis_after_entry', 'genesis_do_author_box_single', 8 );

//* Remove the post meta function
remove_action( 'genesis_entry_footer', 'genesis_post_meta' );

genesis();