A non haemophilic couple was informed by their doctor that there is a chance of a haemophilic baby to be born to them.Explain the basis on which the doctor conveyed this information .Give the phenotypes and genotypes of all possible children who could be born to them.

Asked by vasturushi | 6th Jun, 2017, 03:16: PM

Expert Answer:

Haemophilia is a sex-linked trait caused by a recessive gene located on the X chromosome.
Haemophilia follows criss-cross pattern of inheritance because a haemophilic father passes on the haemophilic gene to his carrier daughters, who transmit haemophilia to their sons.
For example,

Answered by Hemangi Binny | 6th Jun, 2017, 05:48: PM