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Filtering by: Creator Ryan, William Charles

A cytological study of a spontaneous reciprocal translocation in the domestic fowl Gallus domesticus

Creator:

Ryan, William Charles

Abstract:

Statistical data from breeding experiments suggested that a reciprocal chromosomal translocation had spontaneously occurred in a line of S. C. White Leghorn fowl. Approximately 50% of the embryos from matings between suspected translocation heterozygotes and normal birds died early during incubation. In an effort to obtain cytological proof of this...

Resource Type:

Masters Thesis
The chromosomes of ten species in the avian order Charadriiformes

Creator:

Ryan, William Charles

Abstract:

Chromosome complements of ten species of shorebirds, order Charadriiformes, were analyzed and compared. Mitotic chromosomes from the pigeon guillemot (Cepphus columba), Heermann's gull (Larus heermanni), the California gull (L. californicus), the western gull (L. occidentalis), the American avocet (Recurvirostra americana), the western willet (Catoptrophorus semipalmatus), Wilson's snipe (Capella gallinago), the...

Resource Type:

Dissertation