Question

Most pedigrees showing the hypothetical human trait show the following characteristics: Females are affected twice as frequently as males. Affected fathers may have affected daughters but never affected sons. Half the children of affected mothers and normal fathers are affected. What is the most likely mode of inheritance for this disorder?

Answer 1

Answer:

X-linked dominant inheritance

Explanation:

X-linked dominant inheritance -

It is the type of inheritance , where the dominant gene is carried on the X chromosomes , is referred to as X-linked dominant inheritance .

According to this type of inheritance , the gene responsible for the genetic disorder is present in the X chromosomes .

A single copy of the allele is enough for the disorder , when inherited from the parent suffering from the disorder.

Hence, from the given information of the question,

The correct term is X-linked dominant inheritance.