Предмет: Биология, автор: bogdan1488141

Скільки варіантів генотипів може утворитися при дигібридному схрещуванні в другому поколінні, якщо гібриди перщого є дигетерозиготами

Ответы

Автор ответа: LevaVeha
1

Ответ:

9 варіантів

по решетке пеннета

ААВВ

2AABb

2AaBB

4AaBb

AAbb

aaBB

aabb

2Aabb

2aaBb

Объяснение:

Приложения:
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Предмет: Английский язык, автор: bolotomoe29
ПОМОГИТЕЕЕЕ!!!!!!!!!!! срочнооооо


Промежуточная итоговая аттестация


Контрольная работа по английскому языку для 7 класса


(к УМК «Spotlight – 7» Е.Ю.Ваулиной, Дж.Дули и др.)


Variant 1




Vocabulary


A Mach the words in Column A to the words in Column B.


AB


1.rocketa. rubbish


2.toxicb. journey


3.waterc. park


4.recycled. fumes


5.themee. rides


6.collectf. newspapers and cans




B Complete the sentences with the correct word.


*music * ride *fashion *a pirate ship*e-mails *gossip




1. My mother often buys popular magazines to read _____ about famous people.


2. Helen buys “She” magazine for its ________tips.


3. The _____programme plays all the latest hits.


4. Penny likes to send _____ to her friends.


5. Disneyland California is a perfect place to ____on a big wheel or fly in _____ .






Grammar


C Underline the correct word.




1. He isbest/better at playing the violin than his brother.


2. Mary is funnier/funniest than Garth.


3. Robbie Williams is my more/ mostfavouritesinger.


4. That is the worst/ worse film I’ve ever seen.


5. He is not as better/ good at football as his friend.


6. James is tallest/tallerthan Mike.






D Put the words in the correct order to make sentences. Make any necessary changes.




1. on /ever /your /go /a rollercoaster /parents /have?


2. by boat / never /has /family /my /travel .


3. Ann /ever /see /an/ has/ elephant?


4. visit /a them / have /park /they /never.


5. famous /meet /you /people /have /ever?


6. has/ John /the shopping /do /already.