One of the genes present exclusively on the X-chromosome in humans is concerned with
1. baldness
2. red-green colour blindness
3. facial hair/moustaches in males
4. night blindness
Holandric genes are located
(1) both in X and Y-chormosome
(2) only in Y-chromosome
(3) only in X-chromosome
(4) only in autosomes
A woman has an X-linked condition on one of her X chromosomes. This chromosome can be inherited by:
1. | Only daughters | 2. | Only sons |
3. | Only grandchildren | 4. | Both sons and daughters |