У кур известен сцепленный с полом рецессивный ген с летальным эффектом без видимого проявления.Каково будет соотношение полов в потомстве гетерозиготного по этому гену петуха и нормальной курицы.Напомню что у птиц гетерогаметный пол-женский

сочинить 4 загадки спрятав за местоимением ключевое слово

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Историю нужно начать именно с этого предложения "She shut the door and picked up the telephone."

She shut the door and picked up the telephone. Then she was hearing a familiar voice, but she couldn’t recognize it of the speaker. She continued to listen to the phone and she didn’t interrupt the talking. The woman was standing at the window and suddenly her face began to change. After two minutes she started crying and felt the talker was expressing something terrible.
All the story started happening two years ago, when in one day the student of Medicine university, whose name was Alice, had met a perfect man, whose name was Alex. She had fell in love with him, and they were spending much free times for them.
After some time, Alex needed leaving the city, because his father was ill in America and he had to die soon. The young man promised his sweet before leaving return as soon as possible. She said to him: " When you will in America, you don't forget to phone me. I afraid of losing you."
As soon as he had got a ticket, Alex began packing the suitcases and arrived on the airport. The airplane started the flying. When the plane had gone some way, it took the accident. Many people were injured, but the Alex's trauma was fatal, and he died. After this catostrofy the best friend of Alex phone to Alice, and she almost lost consciousness. She felt alone.

В санатории отдыхали мужчины и женщины.Мужчины составляли 40% всех отдыхающих.Какой процент всех отдыхающих составляли женщины?