Sahih Bukhari | Volume 8 | Hadith Number 830

Narrated by Abu Huraira
A bedouin came to Allah's Apostle and said, "My wife has delivered a black child." The Prophet said to him, "Have you camels?" He replied, "Yes." The Prophet said, "What

colour are they?" He replied, "They are red." The Prophet further asked, "Are any of them grey in colour?" He replied, "Yes." The Prophet asked him, "Whence did that greyness come?" He said, "I thing it descended from the camel's ancestors." Then the Prophet said (to him), "Therefore, this child of yours has most probably inherited the colour from his ancestors."