Study the pedigree chart given below.
What does it show?
| 1. | Inheritance of a sex-linked inborn error of metabolism |
| 2. | Inheritance of a condition like phenylketonuria as an autosomal recessive trait |
| 3. | The pedigree chart is wrong as this is not possible |
| 4. | Inheritance of a recessive sex-linked disease like haemophilia |
The mode of inheritance of the trait [shown by red color] in the given pedigree is most likely:

1. Autosomal recessive
2. Autosomal dominant
3. Sex-linked recessive
4. Sex-linked dominant