"conserved sequence" meaning in English

{
  "forms": [
    {
      "form": "conserved sequences",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "conserved sequence (plural conserved sequences)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Molecular biology",
          "orig": "en:Molecular biology",
          "parents": [
            "Biochemistry",
            "Biology",
            "Genetics",
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A DNA or protein sequence with a high degree of sequence identity to other sequences in that species, or in others."
      ],
      "id": "en-conserved_sequence-en-noun-qqnRXNGK",
      "links": [
        [
          "DNA",
          "DNA"
        ],
        [
          "protein",
          "protein"
        ],
        [
          "sequence identity",
          "sequence identity"
        ]
      ]
    }
  ],
  "word": "conserved sequence"
}

{
  "forms": [
    {
      "form": "conserved sequences",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "conserved sequence (plural conserved sequences)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Molecular biology"
      ],
      "glosses": [
        "A DNA or protein sequence with a high degree of sequence identity to other sequences in that species, or in others."
      ],
      "links": [
        [
          "DNA",
          "DNA"
        ],
        [
          "protein",
          "protein"
        ],
        [
          "sequence identity",
          "sequence identity"
        ]
      ]
    }
  ],
  "word": "conserved sequence"
}