The photographer met a rare yellow penguin while exploring in the South Atlantic. How are yellow penguins formed?

Is this it? Albino? Penguin, its cells no longer produce melanin, so its black feathers turn yellow and cream. Albino? Although this phenomenon is rare, it exists widely in all kinds of vertebrates. ? Albino? Usually, it is due to the gene mutation of individual animals that the synthesis of pigments in animals is hindered, and the external morphology is white, golden white or light gold. Simple? Albino? Mutations do not necessarily affect the survival of individual animals. Scientists suspect that this phenomenon represents the discovery of a new feather pigment. In 20 12, a white penguin was found in the hooded penguin colony in Antarctica. Its condition is thought to be due to gene mutation, which dilutes the pigment in penguin feathers. ?

Albino animals is an individual with abnormal white body color. For species in nature, members of the same species are very similar to each other in morphological structure. However, in higher animals, there are occasionally individuals who are different from the same kind of animals, especially in terms of body color, which are obviously different from all other individuals of the same kind of animals. Albino animals is no different from other individuals of the same species in internal structure and various organs, and also has reproductive ability. It is said that Shennongjia, Hubei Province is the most common area in albino animals.

For species in nature, members of the same species are very similar to each other in morphological structure, but in higher animals, individuals who are different from the same animal occasionally appear, especially in feather color or coat color, which are obviously different from all other individuals of the same animal, but they are no different from other individuals of the same species in internal structure and various organs, and also have reproductive ability.

Albino animals, whose body color is abnormal, is generally white and is called albino animals. It is said that Shennongjia in Hubei is the most common area in albino animals. 1987 A white turtle was found, with only bright red eyes and a transparent neck, much like a carved work of art. There are many animals with white fur or feathers in nature, such as arctic fox, polar bear, swan and egret. They are not albino animals, and their white body color is usually expressed by dominant genes. Albino animals is the product of a pair of recessive homozygotes, whose iris is mostly red, and often carries other unfavorable factors, such as fear of light, nystagmus and skin cancer. In addition, it is easy to be attacked by natural enemies in nature, so it is more difficult to survive than normal individuals. However, albinism is very common in artificially raised animals, such as white rabbits, mice, rats, white horses and white jade birds, which can reproduce normally after long-term careful selection and protection. ?