WebMar 15, 2014 · The EG and common goldfish share a number of morphological and genetic similarities. Using the EG, we provide new evidence that goldfish originated from hybridization of red crucian carp × common carp. ... Distant crossing introduces a heterogeneous complete genome into the ovum, resulting in the recombination of … WebNov 24, 2024 · Comparative genomic analysis revealed that the goldfish, Carassius auratus, originated from two different progenitor species, and a whole genome duplication was introduced before the goldfish diverged from the common carp, around 13–16 million years ago. The copies provided by this genome duplication may have enabled artificial …
From asymmetrical to balanced genomic diversification during ...
WebMar 19, 2013 · Background Goldfish, Carassius auratus, have experienced strong anthropogenic selection during their evolutionary history, generating a tremendous extent of morphological variation relative to that in native Carassius. To locate the geographic origin of goldfish, we analyzed nucleotide sequences from part of the control region (CR) and the … WebOct 10, 2024 · Goldfish (Carassius auratus var., GF; 2n = 100) is the most popular ornamental fish in the world. It is assumed that GF evolved from red crucian carp (C. auratus red var., RCC; 2n = 100). However, this hypothesis lacks direct evidence. Furthermore, our knowledge of the role of hybridization in the formation of new species is sparse. In this … tiny gel nail polish
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WebJun 27, 2024 · The goldfish genome will be a tool for understanding how genes evolve for two reasons. First, goldfish have a long history of human genetic intervention, dating back at least 1,000 years. WebMay 27, 2024 · This suggests that the goldfish genome was prone to retain functionally constrained genes after its WGD . Specifically, the goldfish genome usually retains only … WebJul 20, 2024 · Multiple independent fourth rounds of genome duplication have occurred within teleost lineages such as salmonids, suckers, and in the common ancestor of … past mayors of san francisco