Questions tagged [animal-models]

Animals used, for both practical and ethical reasons, to study biological systems and draw conclusions about homologous processes in other organisms, especially humans.

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What is an Ihh-/- mouse?

This one is too basic question: I just came across $Ihh^{-/-}\ $ mouse. Is that means this mouse devoid of that gene Ihh. What is this sign called and are there other such representations?