A black cat and a white cat have a litter of kittens that are all black. State the genotype of the kittens and explain how you know. Provide the genotypes of the parents to justify your answer.

Give typing answer with explanation and conclusion

IN TRANSYLVANIA, SOME PEOPLE EXHIBIT TWO UNUSUAL TRAITS IN WHICH THEY HAVE VERY LONG FRONT TEETH AND THE INABILITY TO BE AWAKE WHEN THE SUN IS UP. BOTH OF THESE TRAITS APPEAR TO BE RECESSIVE. IF A WOMAN WHO IS HETEROZYGOUS FOR TEETH AND HOMOZYGOUS NORMAL FOR BEING IN THE SUN MARRIES A MAN WHO HAS BOTH THESE TRAITS, WHAT COULD BE THE PHENOTYPES AND GENOTYPES OF THEIR CHILDREN? USE A PUNNET SQUARE AND SHOW ALL WORK. LIST THE RATIOS FOR THE GENOTYPES AND PHENOTYPES.

Colour blindness is caused by a sex-linked, recessive gene. If a woman, whose father was colour blind, marries a man with normal colour vision, what percentage of their children will be colour blind? Show using a Punnet square cross