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Journal of Undergraduate Research

Keywords

Atriplex, hexaploid, canescens, Interstate I-80, saltbrush

College

Life Sciences

Department

Plant and Wildlife Sciences

Abstract

Most living organisms have two sets of chromosomes, one set from each parent. Some vascular plants, however, have been shown to possess more than just two sets of chromosomes. Such plants are referred to as being polyploid. The number of sets of chromosomes an organism has is called its ploidy level. Ploidy level is actually a major mechanism of speciation in the plant kingdom (1). Typically, polyploid species have been better able to survive in unstable or harsh environments than diploid species (species containing only two sets of chromosomes). It is believed this is so due to the greater variety of allelles available to the polyploid species (2,3).

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