Well, it depens what color the parents are and well if the black gerbil has black parents and if the ruby eyed white gerbils parents are white there babies will probably produce white and black babies.
4 to 14
White Tailed Deer start to produce fawns in their 2nd or 3rd year -Timothy Beckum
they originate from african savannah
White lions are extremely rare and in order to produce a white cub the parents have to be white themselves or both be carriers of the white allele. There are two strains of white lions. Answers has an article on their history.
A white tiger's babies are called cubs.
They have 8 babies.
Antibodies originate in the body from specialized white blood cells called B cells. These B cells produce antibodies in response to foreign substances, such as viruses or bacteria, to help the immune system fight off infections.
Most birds of prey are covered in white down as babies.
Black babies are not always born white, although some are quite light. Even when they are born lighter, there are usually differences in the tone of their skin. Many lighter babies have visible changes of skin tone even within hours of being born. Just like white, Hispanic, Asian, and other babies, they have had no sun exposure, so their melanin has not surfaced. It could take several months to fully develop.
China
The white house