Jan 1, 1991

Use of sex-linked minisatellite fragments to investigate genetic differentiation and migration of North American populations of the peregrine falcon (Falco peregrinus)

EXS
J L LongmireC M White

Abstract

The M13 repeat detects different levels of genetic variation in falcons. First, this minisatellite probe reveals typically highly variant restriction fragments that show no apparent unequal distribution between the sexes. Secondly, the M13 repeat detects sets of fragments that are only present in DNAs from female falcons. The level of polymorphism displayed by the sex-linked fragments is greatly reduced relative to most autosomal minisatellites. In addition, the size of these fragments (in kilobase pairs) is species-specific among Mauritius kestrels (Falco punctatus) and peregrines (Falco peregrinus). Variation observed at one o of the sex-linked fragments in peregrines has proven to be useful in distinguishing a subset of the tundrius subspecies of this endangered raptor. This correlation has enabled a genetic test to be used to examine the representation of tundrius peregrines during mass migration.

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Mentioned in this Paper

Genetic Drift
Behavior, Animal
Collection of Blood Specimen for Laboratory Procedure
Genetic Screening Method
Minisatellite Repeats
Southern Blot Result
Satellite I DNA
Aves
RPTOR gene
DNA Restriction Enzymes

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