Family

<B>1.</B> A group of individuals related by blood or marriage or by a feeling of closeness.

<B>2.</B> A biological classification of related plants or animals that is a division below the order and above the genus.

<B>3.</B> A group of genes related in structure and in function that descended from an ancestral gene.

<B>4.</B> A group of gene products similarly related in structure and function and of shared genetic descent.

<B>5.</B> Parents and their children.

The most fundamental social group in humans