WIDOW’S PEAK

Aivy

Inheritance

The inheritance of a widow’s peak is a disputatious topic. Some say it is controlled by a single gene, but they have not yet proven this statement scientifically. Others say that it is controlled by multiple genes because its inheritance is unpredictable. To complicate this controversy even more, a widow’s peak is not always obvious. Some people have a slight widow’s peak. It is unsure whether widow’s peak is controlled by a single gene or multiple genes.

The Physical Appearance of a Widow’s Peak