The syntenic genes B and T are linked. A cross between two parents, with genotypes BBtt and bbTT, produces F1 progeny with the BbTt genotype. What are the possible arrangements of alleles on the F1 progeny's chromosomes?
A) Bb/Tt B) BT/Bt or bt/bT C) BT/bt D) Bt/bT E) B/T or b/t