Similar Posts

Subscribe
Notify of
2 Answers
Oldest
Newest Most Voted
Inline Feedbacks
View all comments
Saim0n
2 years ago

Apparently, there is no inheritance from the Y chromosome, because both female and male descendants are affected. Besides, there are male descendants who are not sick.

Recessive is because descendants are affected, although both parents are healthy.

Why the disease can not also be recessive X-chromosome-mediated, I just don’t see.

gregor443
2 years ago

The inheritance of a property is recessive if it is not dominant, partially dominant or intermediary with respect to a second allele considered against one another.

If the property were dominant, then it can only be passed on by parents who wear this allele visibly.

Two parents who do not carry the allele themselves cannot inherit it. (the right pairing from II to III)

Best regards

gregor443