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икс : 21=20675-19953-
Предмет:
Математика -
Автор:
leandrogr11 - 5 лет назад
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Ответов:
3 -
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В некой популяции рыб окраска хвоста определяется одним аутосомным геном с 3 аллелями, причём аллель красной окраски доминирует над аллелью жёлтой окраски и обе эти аллели доминируют над аллелью синей окраски хвоста. Предположим, что популяция рыб подчиняется закону Харди-Вайнберга, отбора по данному признаку нет. Какова частота аллеля красной окраски хвоста, если в популяции у 4% рыб хвосты синие, а у 21% хвосты желтые? В ответе укажите число в процентах с точностью до целых. Знак процента не указывайте. Примечание: частота аллеля - это доля данного аллеля среди всех аллелей гена в популяции, не всегда равная доле фенотипа в популяции.
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Предмет:
Биология -
Автор:
kristopherxksj - 5 лет назад
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Ответов:
1 -
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Ответить на вопросы используя формы (слова) Которые обозначины I и II
I. Present (Past, Future) Indefinite, to be going to,Present Continuous, Present Perfect
a) I. What kind of exercises do you usually do in class?
2. What did you prepare for your lesson last night?
3. Which lesson are you doing now?
4. How many lessons have you done?
5. When are you going to have a test?
6. How long will it take you to prepare for the test if you have to revise ten lessons?
b) I. What kind of TV shows does your wife like to watch?
2. Have you seen any interesting TV shows lately?
3. Which show did you watch last?
4. Did you like the last show you saw? Why did (didn't)
you?
5. When are you going to watch TV again?
6. Can your child watch TV H he (she) has got a lot of
homework to do?
7. What do you think he (she) is doing now?
c) l. What kind of books do you like to read?
2. What are you reading now?
3. Do you sometimes discuss the books you read (you've read) with your friends?
4. How many English books have you read?
d) l. Do you usually spend the week-end in the country or in town?
2. Where did you go the last week-end?
3. Did you have a good time? Could you tell us about it?
4. Where are you going next Saturday?
5. Do you sometimes go to the cinema on week-days? Why (not)?
6. What interesting films have you seen this month?
II can, must, to have to, to be able to, should
a) l. Can you swim?
2. Could you swim when you were a child of five?
3. When did you learn to swim?
4. How long did it take you to learn to swim well?
b) I. Can your baby talk?
2. What else can he (she) do?
3. When do you think he (she) will be able to speak English?
c) l. How many foreign languages can you speak?
2. Which language did you learn at school? Could you
speak it?
3. What do we have to do to learn to speak a foreign language?
4. How many hours a day do you have to spend on your English?
5. How much time did you have to spen'tl on your English homework yesterday?
6. What kind of English books can you read now?
7. When do you think you will be able to read original English books?-
Предмет:
Английский язык -
Автор:
rayanmoyer - 5 лет назад
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Ответов:
1 -
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укажите предложение в котором между подлежащим и сказуемым следует поставить тире
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Предмет:
Русский язык -
Автор:
curry - 5 лет назад
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Ответов:
1 -
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