Brandon Schlautman. Speciation of the American Cranberry ( Vaccinium macrocarpon ). What is a species?. Domain- Eukarya Kingdom- Plantae Phylum- Magnoliophyta Class- Magnoliopsida Order- Ericales Family- Ericaceae Is a member of the heath family.
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Speciation of the American Cranberry (Vacciniummacrocarpon)
V. oxycoccus 4N
V. oxycoccus 2N
Why Chloroplast DNA
Maternally inherited –only one copy per plant (i.e. every plant is a homozygote)
Small size-110,000 bp vs. 550,000,000bp nuclear genome
V.erythrocarpus- Likely Allopatric Speciation- isolated in Appalacian Mountains
V. Oxycoccus 4N- Sympatric Speciation- Reproductive barrier due to polyploidy
V. Oxycoccus 2N- Allopatric Speciaion – geographic isolation
V. Macrocarpon 2N- Allopatric Speciation – geographic isolation