JSFiddle - React, Tailwind, and code Playground

HTML

<p>Parents Address *<br />
    <div class="parentaddress">
        <div id="parentaddress">
            <div>
                <input type="checkbox" value="Both parents reside at the above address" name="parentadress" id="bothparents" />&nbsp;
                <span>Both parents reside at the above address</span>
            </div>
            <div>
                <input type="radio" value="Father has a different address than above" name="parentadress" id="dadaddress" />&nbsp;
                <span>Father's address is different from above</span>
            </div>
            <div>
                <input type="radio" value="Mother has a different address than above" name="parentadress" id="momaddress" />&nbsp;
                <span>Mother's address is different from above</span>
            </div>
        </div>
    </div>
</p>
<div id="dad_address">... DAD ADDRESS ...</div>
<div id="mom_address">... MOM ADDRESS ...</div>

CSS

body {
    margin: 10px;
}
.disabled {
    color: gray;
}

JavaScript

//Cache of jQuery objects
var $$ = {
    b_bothparents: $("#bothparents"),
    b_dadaddress: $('#dadaddress'),
    b_momaddress: $('#momaddress'),
    dad_address: $("#dad_address"),
    mom_address: $("#mom_address")
};

//Function which handles the moding of buttons and corresponding address blocks
function addressMode() {
    if ($$.b_bothparents.is(':checked')) {
        $$.b_dadaddress.add($$.b_momaddress).attr('disabled', true);
        $$.b_dadaddress.next('span').add($$.b_momaddress.next('span')).addClass('disabled');
        $$.dad_address.add($$.mom_address).hide();
    }
    else {
        $$.b_dadaddress.add($$.b_momaddress).attr('disabled', false);
        $$.b_dadaddress.next('span').add($$.b_momaddress.next('span')).removeClass('disabled');
        var d = $$.b_dadaddress.is(':checked');
        $$.dad_address[d ? 'show' : 'hide']();
        $$.mom_address[d ? 'hide' : 'show']();
    }
}

//Ensure b_bothparents and b_dadaddress are checked
$$.b_bothparents.attr('checked', true);
$$.b_dadaddress.attr('checked', true);

//Delegate the moding function to the .parentaddress wrapper
$(".parentaddress").on('click', 'input', addressMode);

//And ensure all other states are correct by calling addressMode().
addressMode();