Technical Comments Response: Asymmetries of Clade Shape and the Direction of Evolutionary Time By JENNIFER A. KITCHELL, NORMAN MACLEOD See allHide authors and affiliations Science 24 Mar 1989:Vol. 243, Issue 4898, pp. 1614-1615DOI: 10.1126/science.243.4898.1614 JENNIFER A. KITCHELL Find this author on Google Scholar Find this author on PubMed Search for this author on this site NORMAN MACLEOD Find this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 243, Issue 489824 March 1989 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)
Response: Asymmetries of Clade Shape and the Direction of Evolutionary Time By JENNIFER A. KITCHELL, NORMAN MACLEOD Science24 Mar 1989 : 1614-1615
Response: Asymmetries of Clade Shape and the Direction of Evolutionary Time By JENNIFER A. KITCHELL, NORMAN MACLEOD Science24 Mar 1989 : 1614-1615