Test Imat 2018-2019: quiz di Biologia

Test Imat 2018-2019 per la facoltà di Medicina in lingua Inglese. Quiz di Biologia

Domanda 12 di 18

A condition caused by the dominant allele of a gene on the X chromosome is passed down through a family. Individual Z inherits the condition. For this family, which of the following statements must be correct, assuming no spontaneous mutations have occurred?

1. If Z is a boy, then he must have inherited the dominant allele from his father. 2. If Z is a boy, then one of his mother’s parents must have also had the condition. 3. If Z is a girl, then both of her parents must have had the allele. 4. If Z is a boy, and has children, then all of his daughters will have the condition.