How to achieve this form in HTML?

[Oinks in Pink]

Here's the form:

[ ] male
[x] female
[ ] others, please specify [___________]

how can i achieve this in html? fully functional pls.

 

[Marko]

Here's a very crude form:

<form>
<input type="radio">Male<br />
<input type="radio">Female<br />
<input type="radio">Others, please specify:<input type="textarea"><br />
</form>