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Free keywords:
B chromosome; sex chromosome; chromosome microdissection;
repeat sequences
Repetitive dna-sequences; oligonucleotide-primed pcr; genus
leiopelma; secale-cereale; supernumerary chromosomes;
palindromic sequences; genetic-variation; y-chromosomes;
evolution; hybridization
Abstract:
The endemic New Zealand frog Leiopelma hochstetteri has variable numbers of mitotically stable B chromosomes. To assess whether the B chromosomes were derived from the autosome complement, they were isolated by micromanipulation and their DNA amplified
