Which of the Statements About Autopolyploids and Allopolyploids Are True

Which of the statements about autopolyploids and allopolyploids are true? Please select all that apply.

A) Allopolyploids are likely to produce viable offspring
B) Autopolyploids are unlikely to produce viable offspring
C) Allopolyploids and autopolyploids always have different numbers of chromosomes
D) Allopolyploids contain multiple copies of a single genome
E) Autopolyploids contain copies of different genomes.