JSFiddle - React, Tailwind, and code Playground

HTML

<input type="radio" name="pet" value="P70" /> Cat<br> 
        Breed:<br> 
        <input type="radio" name="catbreed" value="P71" /> Persian  
        <input type="radio" name="catbreed" value="P72" /> Siamese
        <input type="radio" name="catbreed" value="P73" /> Tabby  <br> 
        Age:<br> 
        <input type="radio" name="catage" value="P74" /> Kitten
        <input type="radio" name="catage" value="P75" /> Adult
        <p>

    <input type="radio" name="pet" value="P78" /> Dog<br>
        Breed:<br>
        <input type="radio" name="dogbreed" value="P79" /> German Shepherd
        <input type="radio" name="dogbreed" value="P80" /> Golden Retriever
        <input type="radio" name="dogbreed" value="P81" /> Poodle  <br> 
        Age:<br> 
        <input type="radio" name="dogage" value="P82" /> Puppy
        <input type="radio" name="dogage" value="P83" /> Adult

JavaScript

var inputs = document.getElementsByTagName("input");
var numInputs = inputs.length;
for (i = 0; i < numInputs; i++) {
    if (inputs[i].name == "catbreed" || inputs[i].name == "dogbreed" || inputs[i].name == "catage" || inputs[i].name == "dogage") {
       inputs[i].selected = false;
    }
}