anchor.diff:    subheadline(format: Format): String
   }
   
  +# An illustrated link chosen to highlight a Gene from a given GeneFamily
  +type FeaturedGeneLink {
  +  href: String!
  +  image: Image
  +  internalID: String!
  +  title: String!
  +}
  +
   type FeaturedLink {
     description(format: Format): String
     href: String
  
positive.code:     id: String!
    ): Gene
  
    # A list of Genes
    genes(
      size: Int
  
negative.code: 
    # The item at the end of the edge
    node: Gene
  }
  
  # A user-facing thematic grouping of Genes
  type GeneFamily {
    featuredGeneLinks: [FeaturedGeneLink]
    genes: [Gene]
  
    # A globally unique ID.
    id: ID!
  
    # A type-specific ID likely used as a database ID.
    internalID: ID!
    name: String!
  
    # A slug ID.
    slug: ID!
  }
  
  # A connection to a list of items.
  type GeneFamilyConnection {
    # A list of edges.
    edges: [GeneFamilyEdge]
  
    # Information to aid in pagination.
    pageInfo: PageInfo!
  }
  
  # An edge in a connection.
  type GeneFamilyEdge {
    # A cursor for use in pagination
    cursor: String!
  
    # The item at the end of the edge
    node: GeneFamily
  }
  
  type GravityMutationError {
  