וְאִם־כֶּ֛בֶשׂ יָבִ֥יא קָרְבָּנ֖וֹ לְחַטָּ֑את נְקֵבָ֥ה תְמִימָ֖ה יְבִיאֶֽנָּה׃
And if he bring a lamb as his offering for a sin-offering, he shall bring it a female without blemish.
Read kabbalistic (mystical) interpretation of Leviticus 4:32: and classical mystical sources.