diff --git a/src/components/DataViz/CellXGeneDropdown.js b/src/components/DataViz/CellXGeneDropdown.js
new file mode 100644
index 00000000..b8e5f326
--- /dev/null
+++ b/src/components/DataViz/CellXGeneDropdown.js
@@ -0,0 +1,34 @@
+import React, {Component} from 'react';
+import { Dropdown, DropdownToggle, DropdownMenu, DropdownItem } from 'reactstrap';
+
+class CellXGeneDropdown extends Component {
+
+    constructor(props) {
+        super(props);
+        this.state = {
+            dropdownOpen: false
+        }
+    }
+
+    toggle =() => {
+        this.setState({dropdownOpen: !this.state.dropdownOpen});
+    }
+
+    render() {
+        return (
+            <Dropdown isOpen={this.state.dropdownOpen} toggle={this.toggle} direction="down" className="cellxgene-dropdown">
+                <DropdownToggle caret className='float-end' color='primary'>View DiffEx in CellXGene</DropdownToggle>
+                <DropdownMenu>
+                    <DropdownItem tag="a" target="_blank" rel="noopener noreferrer" href={this.props.v1}>
+                        Version 1.0 (Nature 2023)
+                    </DropdownItem>
+                    <DropdownItem disabled>
+                        Version 1.5 (Coming Soon)
+                    </DropdownItem>
+                </DropdownMenu>
+            </Dropdown>
+        )
+    }
+}
+
+export default CellXGeneDropdown;
\ No newline at end of file
diff --git a/src/components/DataViz/DataTypeSelector.js b/src/components/DataViz/DataTypeSelector.js
index 50e83354..0ee0642c 100644
--- a/src/components/DataViz/DataTypeSelector.js
+++ b/src/components/DataViz/DataTypeSelector.js
@@ -1,12 +1,13 @@
 import React, { Component } from "react";
 import Select from "react-select";
-import { Row, Col, Container } from 'reactstrap';
+import { Row, Col, Container} from 'reactstrap';
 import ConceptSelectContainer from '../ConceptSelect/ConceptSelectContainer';
 import { getTissueTypeOptions, getAllDataTypeOptions, getDataTypeOptionsWithTissueType } from "../../helpers/Utils";
 import { fetchDataTypeSummaryInformation } from '../../helpers/ApolloClient';
 import { handleGoogleAnalyticsEvent } from '../../helpers/googleAnalyticsHelper';
 import { faChevronDown, faChevronUp } from "@fortawesome/free-solid-svg-icons";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import CellXGeneDropdown from './CellXGeneDropdown';
 
 class DataTypeSelector extends Component {
     constructor(props) {
@@ -23,13 +24,12 @@ class DataTypeSelector extends Component {
                 akiCount: '-',
                 ckdCount: '-',
                 dmrCount: '-',
-                participantsCount: '-',
+                participantsCount: '-'
             },
-            datasetToggle: 'collapsed'
+            datasetToggle: 'collapsed', 
         }
     }
 
-
     componentDidUpdate(prevProps) {
         if ((this.props.gene.symbol !== prevProps.gene.symbol
             || this.props.dataType !== prevProps.dataType
@@ -263,11 +263,10 @@ class DataTypeSelector extends Component {
                                     : <span className="a-button" onClick={this.toggleDataset}>Hide dataset details <FontAwesomeIcon icon={faChevronUp} /></span>
                                 }
                                 {(this.props.dataType === 'sc' ) &&
-                                    <span><a class='btn btn-primary float-end btn-sm' rel='noreferrer'target='_blank' href='https://cellxgene.cziscience.com/e/32b9bdce-2481-4c85-ba1b-6ad5fcea844c.cxg/'>Disease-specific DiffEx in cellxgene</a> </span>
+                                    <CellXGeneDropdown v1="https://cellxgene.cziscience.com/e/32b9bdce-2481-4c85-ba1b-6ad5fcea844c.cxg/"/>
                                 }
-                                {
-                                    (this.props.dataType === 'sn') &&
-                                    <span><a class='btn btn-primary float-end btn-sm' rel='noreferrer' target='_blank' href='https://cellxgene.cziscience.com/e/07854d9c-5375-4a9b-ac34-fa919d3c3686.cxg/'>Disease-specific DiffEx in cellxgene</a> </span>
+                                { (this.props.dataType === 'sn') &&
+                                    <CellXGeneDropdown v1="https://cellxgene.cziscience.com/e/07854d9c-5375-4a9b-ac34-fa919d3c3686.cxg/"/>
                                 }
                             </div>
                             }
diff --git a/src/index.scss b/src/index.scss
index c61259d2..02676715 100644
--- a/src/index.scss
+++ b/src/index.scss
@@ -954,4 +954,8 @@ tr.MuiTableRow-root:nth-child(even) {
 
 .nav-link{
   color: rgba(0,0,0,.55)
+}
+
+.cellxgene-dropdown {
+  margin-top: -21px;
 }
\ No newline at end of file