Y-LINKED QUANTITATIVE TRAITS IN GUPPIES (Poecilia reticulata Peters, 1859)

Y-LINKED QUANTITATIVE TRAITS IN GUPPIES (Poecilia reticulata Peters, 1859)

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Guppy males exhibit many elaborate secondary sexual characters, and in the wild, populations exhibit extreme polymorphic characters.Several of these characters have been shown to be attractive to females: conspicuous coloration, especially bright orange and black spots, large vegemite pop art caudal fins and body size, high courtship display rate and so on.Knowing the Y-linkage of many quantitative traits, the work of selection of domesticated strains of static nail coupon guppy is easier.Excepting the body-base colour and other one-locus sex-linked but recombining colour patterns, the characters of interest in guppy culture can be selected on father and sons only.