Results 201 to 210 of about 172,140 (246)

The three-dimensional genome drives the evolution of asymmetric gene duplicates via enhancer capture-divergence. [PDF]

Sci Adv
Lee U, Arsala D, Xia S, Li C, Ali M, Svetec N, Langer CB, Sobreira DR, Eres I, Sosa D, Chen J, Zhang L, Reilly P, Guzzetta A, Emerson JJ, Andolfatto P, Zhou Q, Zhao L, Long M.   +18 more
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"Sex Ratio" in Drosophila pseudoobscura : Spermiogenic Failure

Science, 1970
Contrary to earlier reports, testes of "sex ratio" Drosophila pseudoobscura males have only half as many sperm per bundle as testes of normal males do. This fact, determined from electron micrographs, indicates that the functional pole hypothesis is not applicable to the action of "sex ratio."
D, Policansky, J, Ellison
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Drosophila pseudoobscura

CABI Compendium, 2022
This datasheet on Drosophila pseudoobscura covers Identity, Distribution, Hosts/Species Affected.

semanticscholar   +1 more source

Purification of esterase-5 from Drosophila pseudoobscura

Biochimica et Biophysica Acta (BBA) - Enzymology and Biological Oxidation, 1966
Abstract Esterase-5, one of a number of enzymes with esterase activity found in Drosophila pseudoobscura, has been purified and characterized. A 310-fold purification of this enzyme was attained and this product was free of all other detectable esterase activity.
S, Narise, J L, Hubby
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Parental age effects in Drosophila pseudoobscura

Experimental Gerontology, 1968
Abstract Two independent descents have been continued in three populations of Drosophila pseudoobscura which differed in their chromosomal arrangements: CH/AR, CH/CH and AR/AR. Selection was based upon the age of the parents at reproduction, namely 5–10-day-old and 4-week-old parents; the lines which were derived have been termed respectively T and B.
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Dispersion of Drosophila pseudoobscura

The American Naturalist, 1968
In a recent paper, Wallace (1966) re-examined data on the dispersion of Drosophila pseudoobscura reported by Dobzhansky and Wright (1943). He found that "the log of the number of flies recaptured at various distances from the point of release (both for capture of individual days following release and, for practical purposes, the cumulative captures of ...
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Drosophila (Sophophora) pseudoobscura Frolova 1929

2018
Drosophila (Sophophora) pseudoobscura Frolova, 1929 Drosophila pseudoobscura Frolova, 1929: 212. Type /s and depository unknown. North America. Drosophila lancefieldi Ginsburg, 1940. Nomen nudum. Distribution: AU: New Zealand. NE: British Columbia to Montana, s. to Bolivia.
El-Hawagry, Magdi S., Zatwarnicki, Tadeusz, Ebrahim, Ayman M.   +2 more
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Courtship and mating time in Drosophila pseudoobscura

Animal Behaviour, 1968
Abstract Mating speed in Drosophila depends on courtship activity of males and receptivity of females with some variability from indeterminate causes. Copulation duration on the other hand is a constant and reliable portion of mating activity. In order to test the effects of certain genetic and environmental variables on mating activity in D ...
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