Molecular Biology and Evolution, Vol 4, 126-143, Copyright © 1987 by Society for Molecular Biology and Evolution
TW Quinn and BN White
A genomic library of partially EcoRI-digested DNA from the lesser snow
goose, Anser caerulescens caerulescens, was constructed in the phage vector
Charon 4. Phage containing only unique sequences were identified by
screening plaques with 32P-labeled genomic DNA. Restriction-fragment-
length polymorphisms (RFLPs) were identified by probing DNA from 11-13 male
birds from the breeding colony at La Perouse Bay. Of the 17 probes
examined, all detected RFLPs with at least one of EcoRi, HindIII, Msp1, and
Taq1. Several of them identified highly variable regions with multiple
alleles. These RFLPs are valuable DNA markers that can be used for (1) the
examination of DNA variation, relatedness, and genetic distance and (2)
assessing paternity and maternity. These data suggest that there are higher
levels of variation of DNA sequence in birds than had previously been
thought to exist.
ORIGINAL ARTICLE
Identification of restriction-fragment-length polymorphisms in genomic DNA of the lesser snow goose (Anser caerulescens caerulescens)
Department of Biology, Queen's University, Kingston, Ontario, Canada.
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