diff --git a/packages/opentelemetry-basic-tracer/src/BasicTracer.ts b/packages/opentelemetry-basic-tracer/src/BasicTracer.ts
index afa09ada986..5485ad496e2 100644
--- a/packages/opentelemetry-basic-tracer/src/BasicTracer.ts
+++ b/packages/opentelemetry-basic-tracer/src/BasicTracer.ts
@@ -96,7 +96,9 @@ export class BasicTracer implements types.Tracer {
       options.startTime
     );
     // Set default attributes
-    span.setAttributes(this._defaultAttributes);
+    span.setAttributes(
+      Object.assign({}, this._defaultAttributes, options.attributes)
+    );
     return span;
   }
 
diff --git a/packages/opentelemetry-basic-tracer/test/BasicTracer.test.ts b/packages/opentelemetry-basic-tracer/test/BasicTracer.test.ts
index 379f8dda463..e5d41cbb833 100644
--- a/packages/opentelemetry-basic-tracer/test/BasicTracer.test.ts
+++ b/packages/opentelemetry-basic-tracer/test/BasicTracer.test.ts
@@ -107,6 +107,39 @@ describe('BasicTracer', () => {
       span.end();
     });
 
+    it('should start a span with defaultAttributes and spanoptions->attributes', () => {
+      const tracer = new BasicTracer({
+        scopeManager: new NoopScopeManager(),
+        defaultAttributes: { foo: 'bar' },
+      });
+      const span = tracer.startSpan('my-span', {
+        attributes: { foo: 'foo', bar: 'bar' },
+      }) as Span;
+      assert.deepStrictEqual(span.attributes, { bar: 'bar', foo: 'foo' });
+      span.end();
+    });
+
+    it('should start a span with defaultAttributes and undefined spanoptions->attributes', () => {
+      const tracer = new BasicTracer({
+        scopeManager: new NoopScopeManager(),
+        defaultAttributes: { foo: 'bar' },
+      });
+      const span = tracer.startSpan('my-span', {}) as Span;
+      assert.deepStrictEqual(span.attributes, { foo: 'bar' });
+      span.end();
+    });
+
+    it('should start a span with spanoptions->attributes', () => {
+      const tracer = new BasicTracer({
+        scopeManager: new NoopScopeManager(),
+      });
+      const span = tracer.startSpan('my-span', {
+        attributes: { foo: 'foo', bar: 'bar' },
+      }) as Span;
+      assert.deepStrictEqual(span.attributes, { foo: 'foo', bar: 'bar' });
+      span.end();
+    });
+
     it('should start a span with name and parent spancontext', () => {
       const tracer = new BasicTracer({
         scopeManager: new NoopScopeManager(),
diff --git a/packages/opentelemetry-basic-tracer/test/Span.test.ts b/packages/opentelemetry-basic-tracer/test/Span.test.ts
index af09e61ce89..4355b172165 100644
--- a/packages/opentelemetry-basic-tracer/test/Span.test.ts
+++ b/packages/opentelemetry-basic-tracer/test/Span.test.ts
@@ -24,10 +24,12 @@ import {
 } from '@opentelemetry/types';
 import { BasicTracer } from '../src';
 import { NoopScopeManager } from '@opentelemetry/scope-base';
+import { NoopLogger } from '@opentelemetry/core';
 
 describe('Span', () => {
   const tracer = new BasicTracer({
     scopeManager: new NoopScopeManager(),
+    logger: new NoopLogger(),
   });
   const name = 'span1';
   const spanContext: SpanContext = {