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The word hybridity was in use in English since the early 17th century and gained popular currency in the 19th century. Charles Darwin used the term in 1837 in reference to his experiments in cross-fertilization in plants. The concept of hybridity has been fraught with negative connotations from its incipience.
Hybrid incompatibility occurs when the offspring of two closely related species are not viable or suffer from infertility. Charles Darwin posited that hybrid incompatibility is not a product of natural selection, stating that the phenomenon is an outcome of the hybridizing species diverging, rather than something that is directly acted upon by selective pressures. [4]
A mule is a sterile hybrid of a male donkey and a female horse.Mules are smaller than horses but stronger than donkeys, making them useful as pack animals.. In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different varieties, subspecies, species or genera through sexual reproduction.
There are many causes for transgressive segregation in hybrids. One cause can be due to recombination of additive alleles. Recombination results in new pairs of alleles at two or more loci. These different pairs of alleles can give rise to new phenotypes if gene expression has been changed at these loci. Another cause can be elevated mutation ...
Time course imaging of two maize inbreds and their F1 hybrid (middle) exhibiting heterosis.. Heterosis, hybrid vigor, or outbreeding enhancement is the improved or increased function of any biological quality in a hybrid offspring.
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Hybrid (biology), an offspring resulting from cross-breeding Hybrid grape, grape varieties produced by cross-breeding two Vitis species; Hybridity, the property of a hybrid plant which is a union of two different genetic parent strains
A gang member “giggled” as he admitted to kidnapping a young Texas woman at gunpoint and threatening to pimp her out and sell her organs, according to cops.