In humans, hypertrichosis (increased hairiness of the auricle) is inherited as a recessive trait linked to the Y chromosome.

In humans, hypertrichosis (increased hairiness of the auricle) is inherited as a recessive trait linked to the Y chromosome. What kind of children can be expected from a marriage of a man with hypertrichosis and a woman who is normal on this basis?

Boys with hypertrichosis and girls without hypertrichosis in a 1: 1 ratio can be expected from a marriage of a man with hypertrichosis and a woman normal for this feature.

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