Предмет: Биология, автор: alinaa2000

решить задачу : В селе сосед привел к соседке красного быка,а у соседки была черная корова .Входе их скрущивания .Все 1 поколение появились красные и черные телята . Определите родителей ,но зная при том что черный цвет доминантный .

Ответы

Автор ответа: TheBlackDiamond
1
гетерозиготен только бык
Аа -бык и аа -корова
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5 - 9 классы Английский язык 5+3 б

. Where is your brother? - He … a bath.

a. has

b. is having

c. has been having


4. … playing board games, don’t you?

a. Do you like

b. You like

c. You don’t like


5. Helen is a vegetarian. She ... meat.

a. hasn’t eaten

b. doesn’t eat

c. isn’t eating

6. We must leave. It … late.

a. is going to get

b. gets

c. is getting


7. He is the most friendly person I …

a. have ever been meeting.

b. have ever met.

c. ever met.


8. Your idea … great!

a. is sounding

b. sound

c. sounds


9. My mother never buys expensive clothes, …

a. does Mother?

b. does she?

c. doesn’t she?


10. Who … you with your work?

a. does help

b. helps

c. do help


11. The FIFA championship … on the 1st of July.

a. starts

b. is starting

c. is start


12. Susan … short fair hair and big grey eyes.

a. is having

b. has got

c. have got


13. I … what you are talking about.

a. am not understand

b. don’t understand

c. not understand


14. Things … more and more expensive these days.

a. get

b. are getting

c. has got


15. What … of it? – In my opinion, it is not a very good decision.

a. do you think

b. are you thinking

c. have you thought


16. We … each other since childhood.

a. know

b. have known

c. have been knowing


17. My friend … English for 3 years now.

a. is learning

b. has learnt

c. has been learning


18. They … a lot of problems since they have moved to the USA.

a. have

b. have had

c. are having


19. John is here. He …

a. has just come.

b. is coming.

c. just came.


20. I can’t climb the wall because I … a ladder.

a. am not having

b. haven’t got

c. don’t have got




























5 - 9 классы Английский язык 5+3 б

. Where is your brother? - He … a bath.

a. has

b. is having

c. has been having


4. … playing board games, don’t you?

a. Do you like

b. You like

c. You don’t like


5. Helen is a vegetarian. She ... meat.

a. hasn’t eaten

b. doesn’t eat

c. isn’t eating

6. We must leave. It … late.

a. is going to get

b. gets

c. is getting


7. He is the most friendly person I …

a. have ever been meeting.

b. have ever met.

c. ever met.


8. Your idea … great!

a. is sounding

b. sound

c. sounds


9. My mother never buys expensive clothes, …

a. does Mother?

b. does she?

c. doesn’t she?


10. Who … you with your work?

a. does help

b. helps

c. do help


11. The FIFA championship … on the 1st of July.

a. starts

b. is starting

c. is start


12. Susan … short fair hair and big grey eyes.

a. is having

b. has got

c. have got


13. I … what you are talking about.

a. am not understand

b. don’t understand

c. not understand


14. Things … more and more expensive these days.

a. get

b. are getting

c. has got


15. What … of it? – In my opinion, it is not a very good decision.

a. do you think

b. are you thinking

c. have you thought


16. We … each other since childhood.

a. know

b. have known

c. have been knowing


17. My friend … English for 3 years now.

a. is learning

b. has learnt

c. has been learning


18. They … a lot of problems since they have moved to the USA.

a. have

b. have had

c. are having


19. John is here. He …

a. has just come.

b. is coming.

c. just came.


20. I can’t climb the wall because I … a ladder.

a. am not having

b. haven’t got

c. don’t have got