Try this one:
<!doctype html>
<html>
<head>
<title>Registration Form</title>
</head>
<body>
<h1>My Registration Form</h1>
<form>
<div>
<label>FirstName</label>
<input type="text" name="fname">
</div>
<br/>
<div>
<label>Last Name</label>
<input type="text" name="lname">
</div>
<br/>
<div>
<label>Gender</label>
<br/>
<input type="radio" name="gender">
<label>Male</label>
<br/>
<input type="radio" name="gender">
<label>Female</label>
<br/>
<input type="radio" name="gender">
<label>Other</label>
<br/>
</div>
<br/>
</form>
</body>
</html>