Question

У человека гипертрихоз наследуется как рецессивный сцепленный с Y хромосомой признак. Каких детей можно ожидать от брака мужчины с гипертрихозом и нормальной по признаку женщиной

Answer 1

девочки - здоровы по этому признаку, мальчики - с гипертрихозом

Р ХХ х ХУа

А1 ХХ : ХУа

девочки здоровы : мальчики - больны

Answer 2

Inheritance of Hypertrichosis and the Offspring of a Man with Hypertrichosis and a Woman without the Trait

Hypertrichosis is a condition characterized by excessive hair growth on the body. In this case, the individual with hypertrichosis is a man, and the trait is inherited as a recessive trait linked to the Y chromosome. Let's discuss the possible children that can be expected from a marriage between a man with hypertrichosis and a woman without the trait.

According to the available search results, there is limited information specifically addressing the inheritance of hypertrichosis as a recessive trait linked to the Y chromosome. However, we can make some general assumptions based on the principles of inheritance.

Since hypertrichosis is linked to the Y chromosome, it is likely that only male offspring will inherit the trait. This is because the Y chromosome is passed down from father to son, and females do not have a Y chromosome. Therefore, the daughters of the couple are not expected to have hypertrichosis.

As for the sons, they have a 50% chance of inheriting the hypertrichosis trait from their father. This is because the father, being affected by hypertrichosis, would have one copy of the hypertrichosis gene on his Y chromosome. The sons would inherit either the father's Y chromosome with the hypertrichosis gene or the mother's X chromosome without the hypertrichosis gene.

It is important to note that these assumptions are based on general principles of inheritance and may not apply to every specific case. Genetic inheritance can be complex, and other factors may come into play. It is always recommended to consult with a medical professional or genetic counselor for a more accurate assessment of specific cases.

To summarize: - The daughters of the couple are not expected to have hypertrichosis. - The sons have a 50% chance of inheriting the hypertrichosis trait from their father.

Please note that the information provided here is based on general assumptions and should not be considered as a definitive answer. It is always best to consult with a medical professional or genetic counselor for personalized and accurate information regarding specific cases.