a. A new plant species B forms by autopolyploidy from speciesA,which has a chromosome number of 2n=10. How many chromosomeswouldspecies B have?
b. If species A were to hybridize by allopolyploidywithspecies C (2n=14) and produce a new, fertile species, D, howmanychromosomes would species D have?
Related textbook solutions
Related questions
1) Parents from two different species mate and produce a fertileoffspring with a polyploid chromosome number. This is called
allopolyploidy | |
allopatric speciation | |
triploidy | |
mutation selection | |
autopolyploidy |
2)A monophyletic group would be best described as:
a grouping of most, but not all, species descended from a commonancestor | |
a grouping of all species descended from a common ancestor,including that ancestor | |
a grouping of all species descended from a common ancestor,excluding that ancestor | |
a grouping of all species that share a similar set of traits,regardless of whether the traits are homologous or analogous |
3) Vicariance refers to:
a pattern of speciation whereby new species evolve reproductiveisolation in sympatry | |
a kind of speciation where a small group of colonists founds apopulation on an island habitat | |
a pattern of speciation in which a population is subdivided by ageographical barrier | |
a technique for constructing phylogenetic trees based onsynapomorphies |
