Abnormal Combinations of Nuclear and Cytoplasmic Systems in Frogs and Toads

Stages in the normal development of Rana pipiens larvae

1946 • 1,478 citations

Transplantation of living nuclei from blastula cells into enucleated frogs’ eggs

1952 • 1,095 citations

Stages in the normal development of Rana pipiens I. External form

1940 • 628 citations

Genetics, Paleontology, and Evolution

1950 • 581 citations

A study of the mechanics of gastrulation

1944 • 352 citations

The Effects of Changes in Chromosome Number on Amphibian Development

1945 • 299 citations

A study of the mechanics of gastrulation. Part I

1943 • 298 citations

Genetics, paleontology and evolution

1949 • 222 citations

INDUCED OVULATION AND ARTIFICIAL FERTILIZATION IN THE FROG

1934 • 219 citations

ANDROGENETIC DEVELOPMENT OF THE EGG OF RANA PIPIENS

1939 • 142 citations

Overripeness of the egg as a cause of twinning and teratogenesis: a review.

1952 • 124 citations

CYTOLOGICAL STUDIES ON DIPNOI, URODELA, ANURA, AND EMYS

2010 • 122 citations

An investigation of the capacity for cleavage and differentiation in Rana pipiens eggs lacking “functional” chromosomes

1951 • 116 citations

A check list of North American amphibians and reptiles.

1917 • 115 citations

GEOGRAPHIC VARIATION OF ADAPTIVE CHARACTERS INRANA PIPIENSSCHREBER

1949 • 108 citations

Factors affecting the transplantability of nuclei of frog embryonic cells

1953 • 103 citations

Tables for the normal development of Rana sylvatica

1937 • 100 citations

VARIATION, ISOLATING MECHANISMS, AND HYBRIDIZATION IN CERTAIN TOADS

1941 • 73 citations

Experimental embryology, a manual of techniques and procedures

1948 • 73 citations

Nucleo-Cytoplasmic Relations in Amphibian Development

1952 • 71 citations

The experimental production and development of triploid frog embryos

1947 • 70 citations

Haploid, diploid, triploid, and tetraploid chromosome numbers, and their origin in parthenogenetically developed larvae and frogs of Rana pipiens and R. palustris

1933 • 66 citations

INCIPIENT INTRASPECIFIC ISOLATING MECHANISMS IN RANA PIPIENS

1946 • 65 citations

Developmental rate of hybrid frogs

1941 • 62 citations

The Energetics of Development

1954 • 60 citations

Studies on the metabolism of development

1946 • 50 citations

The role of the nucleus and the cytoplasm in synthesis and morphogenesis

1952 • 49 citations

Studies in the development of frog hybrids. I. Embryonic development in the cross Rana pipiens ♀ × Rana sylvatica ♂

1946 • 48 citations

A check list of North American amphibians and reptiles,

1917 • 48 citations

Phosphorylation in the Frog's Egg

1947 • 48 citations

Carbohydrate metabolism of normal and of hybrid amphibian embryos

1948 • 47 citations

Glycogen utilization by the amphibian gastrula in relation to invagination and induction

1945 • 47 citations

The influence of egg volume on the development of haploid and diploid embryos of the frog, Rana pipiens

1949 • 44 citations

Ovulation in the frog. I. Pituitary relations in induced ovulations

1935 • 43 citations

AN EMBRYOLOGICAL AND GENETICAL STUDY OF RANA BURNSI WEED

1942 • 43 citations

AN ANALYSIS OF THE INACTIVATION OF THE FROG SPERM NUCLEUS BY TOLUIDINE BLUE

1952 • 43 citations

Synthesis of yolk in oocytes of rana pipiens after induced ovulation

1953 • 40 citations

Further Studies on Rana pipiens Racial Hybrids

1950 • 39 citations

Studies on the initiation of cleavage in the frog egg

1953 • 38 citations

PHYSIOLOGICAL EVIDENCE FOR NATURAL HYBRIDIZATION OFBUFO AMERICANUSANDBUFO FOWLERI

1952 • 38 citations

Studies in the development of frog hybrids. II. Competence of the gastrula ectoderm of Rana pipiens ♀ × Rana sylvatica ♂ hybrids

1947 • 38 citations

The effect of ionizing radiations on amphibian development

1954 • 37 citations

DIPLOID AND ANDROGENETIC HAPLOID HYBRIDIZATION BETWEEN TWO FORMS OF RANA PIPIENS, SCHREBER

1941 • 35 citations

Die Entwicklung des braunen Grasfrosches, Rana fusca Roesel

1953 • 33 citations

Studies in the development of frog hybrids. III. Inductive ability of the dorsal lip region of Rana pipiens ♀ × Rana sylvatica ♂ hybrids

1948 • 30 citations

Stages in the normal development of Rana pipiens. II. Identification of the stages from sectioned material

1942 • 30 citations

The Stimulus for Maturation and for Ovulation of the Frog's Egg

1940 • 27 citations

FURTHER CYTOLOGICAL STUDIES ON ANURA AND URODELA

2010 • 27 citations

The normal stages in the development of the South African clawed toad, Xenopus laevis

1945 • 26 citations

Transplantation of Living Nuclei of Late Gastrulae into Enucleated Eggs of Rana pipiens

1954 • 25 citations

Geographic and Genetic Isolation in Australian Amphibia

1954 • 23 citations

PITUITARY-INDUCED SEXUAL REACTIONS IN THE ANURA

1935 • 23 citations

THE DEVELOPMENT OF RECIPROCAL ANDROGENETIC FROG HYBRIDS

1950 • 23 citations

Kerngifte und Lichtstrahlung. Eine Studie an Froschspermien zur Wirkungsanalyse der Kerngifte

1951 • 22 citations

Diploid, androgenetic and gynogenetic haploid development in anuran hybridization

1951 • 22 citations

Chromosome numbers in Rana fusca parthenogenetically developed from eggs with known polar body and cleavage histories

1940 • 22 citations

Sex differentiation in triploid Rana pipiens larvae and the subsequent reversal of females to males

1950 • 22 citations

Morphogenetic relationships between two sensory areas in the brain of Drosophila.

1946 • 21 citations

�ber erbliche letale Entwicklung und Austauschbarkeit artverschiedener Kerne bei Bastarden

1940 • 21 citations

Hybridization Between Rana Palustris and Different Geographical Forms of Rana Pipiens

1946 • 19 citations

Hybridization Between Rana Pipiens From Vermont and Eastern Mexico

1947 • 19 citations

Phosphoprotein phosphatase activity in normal, haploid and hybrid amphibian development

1953 • 17 citations

A study of the expression of the burnsi gene in adult Rana pipiens

1951 • 16 citations

Triploide Froschlarven

1920 • 16 citations

Effect of age on the development of the egg of the leopard frog, Rana pipiens

1941 • 16 citations

A Quantitative Analysis of the Pituitary-Ovulation Relation in the Frog (Rana pipiens)

1937 • 16 citations

Ovulation and Oviposition in Anura

1941 • 14 citations

The development of abnormal growths in Rana pipiens embryos following delayed fertilization

1941 • 14 citations

Isolating Mechanisms in Tree Frogs

1941 • 13 citations

Effects of the growth inhibitor, hexenolactone, on frog embryos; effects on diploid embryos; differential effects on haploid and diploid embryos.

1946 • 13 citations

Artbastarde bei Tieren

1936 • 13 citations

X-RADIATION OF EGGS OF RANA PIPIENS AT VARIOUS MATURATION STAGES

1949 • 12 citations

111. Triploid Frogs Developed from Fertilized Eggs

1941 • 12 citations

STUDIES IN THE DEVELOPMENT OF FROG HYBRIDS. IV. COMPETENCE OF GASTRULA ECTODERM IN ANDROGENETIC HYBRIDS

1953 • 12 citations

Biochemical and physiological interrelations between nucleus and cytoplasm during early development

1947 • 11 citations

Effect of Heparin on Artificial Activation in the Frog Egg.

1949 • 11 citations

Hybridization and Embryonic Temperature Adaptation Studies of Rana Temporaria and Rana Sylvatica

1951 • 11 citations

EFFECTS OF COLCHICINE ON THE CLEAVAGE OF THE FROG'S EGG (RANA PIPIENS)

1939 • 11 citations

Developmental Rate of Hybrids between Rana pipiens and Rana sphenocephala.

1941 • 10 citations

SECTION OF BIOLOGY: Developmental Variations Resulting from Various Associations of Frog Cytoplasms and Nuclei

1942 • 10 citations

A Corrosive Sublimate Fixing Solution for Yolk-Laden Amphibian Eggs

1943 • 10 citations

The sex of triploid frogs,rana japonica gunter

1952 • 9 citations

Note on Oklahoma Microhylid Frogs

1950 • 9 citations

An Example of Interspecific Mating in Toads

1951 • 9 citations

Regular Occurrence of the Haploid Number of Chromosomes in Mesenchymal Cells of the Tail Tip of Rana Pipiens Tadpoles

1953 • 8 citations

Note - Obervations on Discoglossus pictus Otth

1947 • 8 citations

ALBINO FROGS PRODUCED BY ARTIFICIAL PARTHENOGENESIS

1949 • 8 citations

Studies on hybridization in amphibians-〔2〕Interspecific hybrids in red-colored frogs-

1950 • 7 citations

An Aceto-Carmine Squash Technic for Amphibian Chromosomes

1950 • 7 citations

Peculiar Growth Lesions in Frogs Induced by Irradiation of Sperm Cells With X-Rays

1943 • 6 citations

CORRESPONDING GENES IN SPOTTED FORGS

1943 • 6 citations

Respiration of the Parts of the Hybrid Gastrula Rana pipiens × R. sylvatica

1953 • 6 citations

�ber den neuen Flugsaurier Anurognathus Ammoni D�derlein

1924 • 5 citations

Diploid virgin frog eggs; a possible origin of diploid parthenogenetically developed frog larvae without delay in cleavage and of triploid larvae developed from fertilized eggs

1952 • 5 citations

Frog ovulation in vitro

1945 • 5 citations

Field Observations on Spadefoot Toads

1947 • 5 citations

Time relationships in frog ovulation

1950 • 5 citations

Seasonal and Hormone Induced Changes in the Testes of Rana Pipiens

1952 • 4 citations

The sex of triploid frogs,rana limnocharis

1952 • 4 citations

Possible Hybridization between Bufo cognatus and B. w. woodhousii

1939 • 3 citations

The polar bodies of the frog, Rana pipiens

1948 • 3 citations

Spade-Foot Toad Sperm as an Activating Agent in Producing Gynogenetic Haploid Embryos from Rana and Pseudacris Eggs

1950 • 3 citations

37. Note on the Occurrence of Hybrid Anura at Lobatsi, Beclmanalund Protectorate

1926 • 3 citations

A Triple Stain for Amphibian Embryos

1939 • 3 citations

DESCRIPTION OF A SIX-YEAR-OLD HYBRID TOAD

1946 • 2 citations

Induced ovulation in Rana pipiens.

1940 • 1 citations

Parthenogenetic Stimulation of Aged Anuran Eggs

1941 • 1 citations

La spécificité biologique des acides désoxyribonucléiques de diverses espèces animales

1952 • 1 citations