When a certain character is inherited only through female parent it probably represents

When a certain character is inherited only though female parent ,it probably represents :

Males alwas inherit these traits from the female parents

In man sex-linked characters and only transmitted through :

Allowing only certain materials to pass through called

Males always inherit these traits from the female parents

Diseases related to mitochondria are inherited from female parent only. Give reason.

In the given human hand pedigree which character is represented and what is the probability of disease occurrence in fifth child

According to common Mendelian pattern of inheritance F_1 resembles the dominant parent. But in contrast there are certain other patterns of inheritance In which F_1 , does not resembles either of the parents. Name the pattern of inheritance in which F_1 ,shows a character in between the two parents.