Pages I might have created if there weren't a privacy problem with doing so:
Whitaker, Thomas W.; Bemis, W. P. (1975). "Origin and Evolution of the Cultivated Cucurbita". Bulletin of the Torrey Botanical Club. 102 (6). New York: Torrey Botanical Society: 362–368. doi:10.2307/2484762. JSTOR 2484762.
A village tank was traditionally a major residential water source in Bangladesh. These were excavated ponds that had supplied earth for house supports and road embankments; they were used for drinking water, bathing, irrigation, and pisciculture. Water wells began to supply a safer source of drinking water to a large part of the population, starting in the 1970s, replacing the use of village tanks for drinking water.
- Smith, D.V. (1973). "Opportunity For Village Development: The Tanks of Bangladesh". The Bangladesh Economic Review. 1 (3): 297–308. doi:10.2307/23017665.
A survey conducted in 1944-45 established that Feni subdivision had 13,400 acres (5,400 hectares) of tanks on 221400 acres of total land. These were thought to be approximately 8 feet in depth. Other regions of Bangladesh had fewer, but still sufficient tanks to provide a substantial potential contribution to agricultural irrigation needs.
Permanent translocation heterozygosity in Gaura biennis.
- Levy, M.; Levin, D.A. (1975). "Genic heterozygosity and variation in permanent translocation heterozygotes of the Oenothera biennis complex". Genetics. 79 (3): 493–512.
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"Chiasmata are terminal and chromosome disjunction is alternate so that all chromosomes and essentially all genes of each 7-chromosome “Renner” complex come to reside in the same gamete. A system of balanced lethals and incompatibility alleles prevents the formation of structural homozygotes. As a consequence of these features, the structural heterozygotes in these selfing Oenothera have the maximum amount of linkage attainable in a sexually reproducing organism."
- Rieger, R.; Michaelis, A.; Green, M.M. (1968). A glossary of genetics and cytogenetics: Classical and molecular. New York: Springer-Verlag. ISBN 9780387076683.
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"Renner complex - in -> complex heterozygous species (Oenothera), a group of chromosomes (and the genes which they contain) which are distributed as one unit from generation to generation" "Renner effect (Darlington 1932) - competition (= megaspore competition) among the four genetically different spores formed by one meiosis in regard to which shall form the embryo (Darlington & Mather 1949)." "Complex heterozygous" (Renner 1916) - of species (called "complex heterozygotes") heterozygous for numerous allele pairs linked to different chromosomes but segretating as a unit during meiosis. Complex heterozygotes are "interchange hybrids" heterozygous not only for one, but for two, three, four, or more reciprocal translocations. …Oenothera … During Anaphase 1, the maternal complex of chromosomes is distributed to one pole, the paternal complex to the other (from Cleland 1962) … Renner (1941)"
See also
edit- Apomixis, asexual reproduction in plants, often via seed
- Permanent odd polyploidy, another sub-sexual reproductive mode (which can occur with odd or even ploidy levels)
- Parthenogenesis, asexual reproduction in animals