"lactase persistence" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de lactase et de persistence."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en anglais de la biologie",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              0,
              19
            ]
          ],
          "ref": "The Origins of Lactase Persistance in Europe, in PLoS Computational Biology, aout 2009",
          "text": "Lactase persistence (LP) is common among people of European ancestry, but with the exception of some African, Middle Eastern and southern Asian groups, is rare or absent elsewhere in the world."
        }
      ],
      "glosses": [
        "Persistance de la production de lactase chez un adulte."
      ],
      "id": "fr-lactase_persistence-en-noun-7~nGaQGF",
      "topics": [
        "biology"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "LP"
    }
  ],
  "word": "lactase persistence"
}

{
  "categories": [
    "Compositions en anglais",
    "Locutions nominales en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "Composé de lactase et de persistence."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire",
        "Lexique en anglais de la biologie"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              0,
              19
            ]
          ],
          "ref": "The Origins of Lactase Persistance in Europe, in PLoS Computational Biology, aout 2009",
          "text": "Lactase persistence (LP) is common among people of European ancestry, but with the exception of some African, Middle Eastern and southern Asian groups, is rare or absent elsewhere in the world."
        }
      ],
      "glosses": [
        "Persistance de la production de lactase chez un adulte."
      ],
      "topics": [
        "biology"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "LP"
    }
  ],
  "word": "lactase persistence"
}