melanic การใช้

• The melanic allele is dominant to the non-melanic allele.
• The melanic allele is dominant to the non-melanic allele.
• Melanic forms are often encountered, especially in industrial areas.
• Melanic epipedon is extremely fluffly for a mineral soil.
• Melanic forms have not been found in Japan.
• But the melanic form of the moth did rise and fall, for whatever reason.
• Melanic " Biston betularia " have also been widely observed in North America.
• This species has dark grey forewings mottled with black and marked with pale Melanic forms sometimes occur.
• There are three colour morphs, the xanthic orange winged form and the melanic black winged form.
• Melanic Brunisols have an Ah horizon at least 10 cm thick and a pH above 5.5.
• Tutt is a melanic form, without any yellow tint, from North England and W . Ireland.
• In Japan, no melanic morphs have been recorded; they are all morpha " typica ".
• Increased body temperature also gives melanic morphs a competitive advantage in searching for food because they are more active.
• The extent of black markings varies considerably, however, from almost spotless examples to largely black melanic forms.
• The dorsal wing surface of females are partially ultraviolet reflective, especially in older females who have melanic markings.
• In 1959, 90 % of the " Biston betularia " in Michigan and Pennsylvania had the melanic phenotype.
• The genus is distinguished from other genera of Lake Malawi Haplochromini by details of its melanic color pattern and by its dentition.
• However, the basic colors of the shell are very variable, as they range from melanic or chestnut red to albino.
• Within male speckled wood butterflies, the melanic form shows greater directional asymmetry and grows more slowly than the pale, territorial males.
• It is very similar to " Theretra alecto " and is probably no more than a melanic variation of this species.