Cultivated American Cotton: has 26 pairs chromosomes; acquired from Old World and New World cotton
Aberrant Euploidy: refers to changes in whole sets of chromosomes
• Amphidiploid: an organism, cell, or nucleus that contains diploid sets of chromosomes originating from two different species
How did cultivated American cotton originate?
a. from a Robertsonian translocation of a New World cotton plant
b. as an amphidiploid between an Old World and a New World species of cotton plant
c. as an autotetraploid of Old World cotton plants
d. as an allodiploid of two species of New World cotton plants
e. by gene duplication in Old World cotton plants
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