Karyomorphology of castor bean Ricinus communis L.

Date

6-1993

Degree

Bachelor of Science in Biology

College

College of Arts and Sciences (CAS)

Adviser/Committee Chair

Adelina A. Barrion

Abstract

Acetocarmine squash preparations of Carnoy's fixed root tips of castor bean. Ricinus communis L. revealedthat premetaphase cells occurs between 12:00 noon to 1:00 PM. The complete stages namely, prophase, metaphase, anaphase and telophase, were observed. Mitotic index was 33.08 percent. The diploid chromosome number was 20 consisting of median and submedian types of chromosomes. The centrometric index ranged from 30.77 to 44.34 percent. The mean relative length from 0.04 to 0.07.

Language

English

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

Thesis

Document Type

Thesis

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